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代孕
部分女性基于各种原因无法实现妊娠的过程,其与配偶只能提供胚胎或者配子,然后委托代孕母亲完成孕育阶段,最后获得后代抚养权利的过程。中国对“代孕”尚有政策限制。
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steam turbine for feed-water pump
steam turbine governing system
steam turbine nozzles
steam turbine overspeed
steam turbine performance test
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steam turbine rotor
steam turbine seal
steam turbine shaft seal
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Steange Phenomena Witnessed within Twenty Years
stearic acid
stearin
stearin; tristearin
stearyl alcohol
steatite
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