The prime mover may be a gas reciprocating engine.原动机可能是燃气往复式发动机.Almost all automobiles use the reciprocating engine.几乎所有的机动车都使用往复式发动机.Compressor may be reciprocating positive displacement or centrifugal.压缩机可以是活塞式、螺杆式或离心...
The transition from drinking bowls to teapots was a smooth one.又因砂壁能吸附茶叶、积聚“茶锈”.Sometimes, modern craftsmanship teapots are more valuable than aged.年代短的壶有时候比年代久的壶更值钱!Tea bags are faster and easier than making tea in teap...
You can treat some tumor recurrence transplantation by radio frequency ablation.有些复发肿瘤可以用射频消融治疗.Typically, catheter ablation is used to an AF arrhythmia.典型地, 使用导管消融来终止AF心律失常.The ablated area, complete ablation rate and l...
Silver - coated carbonyl iron powder was prepared by using electroless plating method.用化学镀法,甲醛为还原剂,制备镀银羰基铁粉.The p - chlorophenyl isocyanate is synthesised by carbonyl chloride and p - chloroaniline . The yield is 90 %.采用...