In course of sinking the well - shaft they came upon a deposit of a very rare mineral.他们在凿井的过程中,发现了一处稀有矿物矿床.All these things may come to happen in course of time.过些时候,所有这些事都有可能发生.This highway is in course of construction...
在工业过程中, 常用精馏作用把液体混合物分离为纯组分.In industrial processes, liquid mixtures are often separated into their pure components by distillation.讨论用于甲醇生产主精馏塔改进工艺条件下的智能控制方法.An intelligent control method for operation of methanol refini...
In the use of plastic mulch for BOPP film at prbroin gelatinize.在使用拉伸聚丙烯薄膜覆膜时,必须在膜上涂胶.When the screen gelatinize must have been thoroughly dry.涂胶时网版务必还来彻底潮湿.The gelatinize layer of adhesive is divided into rubber and acr...