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字:【分】字:【段】字:【射】字:【精】字:【法】
字:【男】字:【性】字:【在】字:【性】字:【交】字:【过】字:【程】字:【中】字:【,】字:【首】字:【先】字:【通】字:【过】字:【中】字:【枢】字:【兴】字:【奋】字:【,】字:【引】字:【起】字:【阴】字:【茎】字:【海】字:【绵】字:【体】字:【充】字:【血】字:【而】字:【勃】字:【起】字:【,】
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】字:【通】字:【过】字:【摩】字:【擦】字:【达】字:【到】字:【一】字:【定】字:【刺】字:【激】字:【程】字:【度】字:【时】字:【,】字:【引】字:【起】字:【射】字:【精】字:【。】
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】字:【射】字:【精】字:【是】字:【一】字:【个】字:【反】字:【射】字:【过】字:【程】字:【。】
字:【
】字:【首】字:【先】字:【是】字:【起】字:【自】字:【睾】字:【丸】字:【输】字:【出】字:【小】字:【管】字:【的】字:【收】字:【缩】字:【,】字:【然】字:【后】字:【是】字:【附】字:【睾】字:【头】字:【、】字:【体】字:【,】字:【随】字:【后】字:【是】字:【附】字:【睾】字:【尾】字:【部】字:【收】字:【缩】字:【。】字:【精】字:【子】字:【通】字:【过】字:【输】字:【精】字:【管】字:【而】字:【驱】字:【入】字:【输】字:【精】字:【管】字:【壶】字:【腹】字:【部】字:【,】字:【最】字:【后】字:【是】字:【前】字:【列】字:【腺】字:【精】字:【囊】字:【腺】字:【的】字:【排】字:【空】字:【,】
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】字:【将】字:【精】字:【子】字:【及】字:【精】字:【浆】字:【驱】字:【入】字:【尿】字:【道】字:【。】字:【随】字:【着】字:【球】字:【海】字:【绵】字:【体】字:【肌】字:【和】字:【坐】字:【骨】字:【海】字:【绵】字:【体】字:【肌】字:【的】字:【收】字:【缩】字:【,】
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】字:【同】字:【时】字:【也】字:【靠】字:【膀】字:【胱】字:【颈】字:【部】字:【的】字:【关】字:【闭】字:【,】字:【阻】字:【止】字:【精】字:【液】字:【逆】字:【行】字:【射】字:【向】字:【膀】字:【胱】字:【,】字:【而】字:【使】字:【精】字:【液】字:【有】字:【节】字:【奏】字:【地】字:【从】字:【尿】字:【道】字:【射】字:【出】字:【。】
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】字:【一】字:【般】字:【认】字:【为】字:【射】字:【精】字:【过】字:【程】字:【有】字:【七】字:【个】字:【强】字:【有】字:【力】字:【的】字:【,】字:【有】字:【节】字:【奏】字:【的】字:【收】字:【缩】字:【动】字:【作】字:【。】
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】字:【我】字:【们】字:【可】字:【以】字:【人】字:【为】字:【地】字:【把】字:【射】字:【精】字:【过】字:【程】字:【分】字:【为】字:【两】字:【段】字:【,】字:【头】字:【三】字:【个】字:【为】字:【一】字:【段】字:【,】
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】字:【此】字:【部】字:【分】字:【精】字:【液】字:【主】字:【要】字:【来】字:【自】字:【前】字:【列】字:【腺】字:【﹔】字:【其】字:【余】字:【几】字:【个】字:【为】字:【一】字:【段】字:【,】字:【主】字:【要】字:【来】字:【自】字:【精】字:【囊】字:【腺】字:【。】
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】字:【一】字:【般】字:【来】字:【说】字:【,】字:【第】字:【一】字:【部】字:【分】字:【的】字:【精】字:【子】字:【无】字:【论】字:【在】字:【密】字:【度】字:【、】字:【活】字:【动】字:【率】字:【、】字:【活】字:【动】字:【度】字:【、】字:【存】字:【活】字:【率】字:【,】
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】字:【据】字:【统】字:【计】字:【,】字:【8】字:【9】字:【%】字:【男】字:【性】字:【第】字:【一】字:【部】字:【分】字:【精】字:【子】字:【计】字:【数】字:【高】字:【于】字:【第】字:【二】字:【部】字:【分】字:【,】
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】字:【两】字:【部】字:【分】字:【相】字:【同】字:【者】字:【占】字:【5】字:【%】字:【,】字:【第】字:【二】字:【部】字:【分】字:【大】字:【于】字:【第】字:【一】字:【部】字:【分】字:【者】字:【占】字:【6】字:【%】字:【。】
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】字:【分】字:【段】字:【射】字:【精】字:【法】字:【在】字:【治】字:【疗】字:【男】字:【性】字:【不】字:【育】字:【方】字:【面】字:【有】字:【很】字:【大】字:【的】字:【临】字:【床】字:【意】字:【义】字:【。】
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】字:【如】字:【果】字:【患】字:【者】字:【精】字:【子】字:【计】字:【数】字:【和】字:【活】字:【动】字:【率】字:【偏】字:【低】字:【,】字:【或】字:【者】字:【同】字:【时】字:【伴】字:【有】字:【精】字:【液】字:【过】字:【于】字:【粘】字:【稠】字:【、】字:【精】字:【液】字:【量】字:【过】字:【多】字:【,】字:【可】字:【以】字:【在】字:【妇】字:【女】字:【排】字:【卵】字:【期】字:【性】字:【交】字:【时】字:【采】字:【用】字:【分】字:【段】字:【射】字:【精】字:【方】字:【法】字:【。】
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】字:【当】字:【第】字:【一】字:【段】字:【精】字:【液】字:【射】字:【出】字:【后】字:【,】字:【立】字:【即】字:【将】字:【阴】字:【茎】字:【从】字:【阴】字:【道】字:【内】字:【抽】字:【出】字:【,】
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】字:【使】字:【其】字:【余】字:【的】字:【精】字:【液】字:【射】字:【在】字:【外】字:【面】字:【,】字:【这】字:【样】字:【可】字:【以】字:【避】字:【免】字:【精】字:【囊】字:【腺】字:【分】字:【泌】字:【液】字:【稀】字:【释】字:【精】字:【液】字:【,】
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】字:【从】字:【而】字:【保】字:【证】字:【高】字:【密】字:【度】字:【、】字:【高】字:【质】字:【量】字:【、】字:【高】字:【活】字:【力】字:【的】字:【精】字:【子】字:【留】字:【在】字:【阴】字:【道】字:【内】字:【,】字:【提】字:【高】字:【受】字:【孕】字:【的】字:【能】字:【力】字:【。】字:【在】字:【"】字:【人】字:【工】字:【授】字:【精】字:【"】字:【和】字:【"】字:【试】字:【管】字:【婴】字:【儿】字:【"】字:【的】字:【实】字:【践】字:【中】字:【,】字:【分】字:【段】字:【射】字:【精】字:【也】字:【成】字:【为】字:【一】字:【个】字:【常】字:【规】字:【的】字:【步】字:【骤】字:【。】字:【将】字:【第】字:【一】字:【段】字:【精】字:【液】字:【处】字:【理】字:【后】字:【,】字:【筛】字:【选】字:【出】字:【高】字:【活】字:【力】字:【精】字:【子】字:【,】字:【送】字:【进】字:【子】字:【宫】字:【或】字:【者】字:【用】字:【于】字:【体】字:【外】字:【受】字:【精】字:【。】字:【在】字:【临】字:【床】字:【生】字:【化】字:【检】字:【验】字:【时】字:【,】字:【也】字:【可】字:【根】字:【据】字:【射】字:【出】字:【的】字:【精】字:【液】字:【先】字:【后】字:【次】字:【序】字:【分】字:【别】字:【收】字:【集】字:【4】字:【-】字:【6】字:【部】字:【分】字:【,】字:【第】字:【一】字:【部】字:【分】字:【主】字:【要】字:【来】字:【自】字:【前】字:【列】字:【腺】字:【液】字:【,】字:【酸】字:【性】字:【磷】字:【酸】字:【活】字:【力】字:【最】字:【高】字:【﹔】字:【最】字:【后】字:【为】字:【精】字:【囊】字:【腺】字:【液】字:【,】
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】字:【含】字:【前】字:【列】字:【腺】字:【素】字:【和】字:【果】字:【糖】字:【最】字:【高】字:【。】字:【通】字:【过】字:【测】字:【定】字:【这】字:【些】字:【特】字:【殊】字:【的】字:【或】字:【物】字:【质】字:【就】字:【可】字:【以】字:【了】字:【解】字:【附】字:【性】字:【腺】字:【的】字:【功】字:【能】字:【。】字:【这】字:【种】字:【检】字:【查】字:【方】字:【法】字:【还】字:【可】字:【以】字:【用】字:【来】字:【研】字:【究】字:【射】字:【精】字:【时】字:【的】字:【生】字:【理】字:【活】字:【动】字:【。】
字:【
】字:【有】字:【的】字:【人】字:【由】字:【于】字:【神】字:【经】字:【性】字:【问】字:【题】字:【,】字:【射】字:【精】字:【过】字:【程】字:【发】字:【生】字:【紊】字:【乱】字:【,】
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】字:【精】字:【子】字:【不】字:【是】字:【主】字:【要】字:【与】字:【前】字:【列】字:【腺】字:【液】字:【一】字:【起】字:【射】字:【出】字:【,】字:【而】字:【是】字:【与】字:【精】字:【囊】字:【腺】字:【液】字:【一】字:【起】字:【射】字:【出】字:【,】
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】字:【精】字:【子】字:【活】字:【动】字:【低】字:【于】字:【正】字:【常】字:【。】字:【这】字:【也】字:【可】字:【能】字:【是】字:【不】字:【育】字:【的】字:【一】字:【个】字:【原】字:【因】字:【。】
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