相反地，诱导式发动机可以自冷却，这样就省去了笨重的散热片、冷却风扇、水泵和与此相关的铅用品制造。
An induction motor, by contrast, can be cooled passively-and thereby dispense with the hefty radiator, cooling fan, water pump and associated plumbing.
目的观察排铅咀嚼片对铅排出量及对儿童健康的影响。
To observe the effect of Paiqian chewing tablet on lead discharging and health in children.
介绍了铅精炼阴极片生产联动线存在的问题，分析了产生的原因，叙述了改造实践。
The paper presents the problems of joint production line for lead cathode, analyzes the reason, describes modification.
目的观察排铅咀嚼片对铅排出量及对儿童健康的影响。
To observe the effect of Paiqian chewing tablet (PQCT) on lead discharging and health in children.
研究了富锌排铅咀嚼片(RZLR)对实验性铅染毒大鼠的排铅作用。
The lead-excreting function of rich zinc lead-removing tablet (RZLR) on experimental saturnism rats were studied.
文章通过试验证明：纯锡焊料凸块和含钴底部凸块金属焊层结合可延长无铅焊接倒装片的寿命。
In the article experiment prove:combination with feine tin-solder-bumps and underbump-metalliza with cobalt be able to longthen life of leadless flip-chip-solderng.
纯锡焊料凸块和含钴底部凸块金属焊层结合可延长无铅焊接倒装片的寿命。
The cost of wire bonding chips and solder bumped flip chips on boards or on organic substrates is stated.
纯锡焊料凸块和含钴底部凸块金属焊层结合可延长无铅焊接倒装片的寿命。
The cost of wire bonding chips and solder bumped flip chips on boards or on organic substrates is stated.
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