Mr. Smith says we can have a new duplicator.史密斯先生说我们可以买一台新复印机.The injection mould for a duplicator cover plate is designed.设计了复印机盖板的注塑模具.I've finally convinced Mr. Smith that we should buy a duplicator.我终于说服了史密斯先生同意...
A family of stags once existed with an antler only on one side.曾有一群雄鹿,仅一边有角.Traditionally, velvet antler is used for a wide variety of ailments.传统用鹿茸可以防止很多常见病.The antler is a bone tissue which can be regenerated postnata...
从狭义来说, 换热器是一种容器.A heat exchanger, in a narrow sense, is a vessel.高温断流器切断给通往热器的电源.A high - temperature cut - out isolates power supply to the heater.最终结果是从冷蓄热器吸取了热.The net result is an absorption of heat from the cold res...