那个防漏的垫圈坏了。
由于货物易于被湿气或水破坏，我们需要一防漏的集装箱。
As the goods are liable to be destroyed by damp or water, we need an air-tight container.
针对中原油田井漏的情况，设计了随钻防漏的侧向水力工具。
According to the situation of drilling lost circulation in Zhongyuan Oilfield, a side hydraulic tool has been designed.
应用推荐