【单选题】The boat seesawed in the heavy sea.
【单选题】论坛屌丝一点的理解就是发帖回帖讨论的平台。那么你知道全球最有影响力的中文论坛是( )论坛吗?
【单选题】数控编程人员在数控编程时使用的坐标系是( )
【单选题】If a heavy sea strikes the rudder, the shock is transmitted through the tiller to _____.
【单选题】A heavy steel device that is set on the sea floor and used as a drilling template in offshore drilling operations is called a ______.
【单选题】Heavy fuel oils when spilled are ______.
A.
more harmful to sea life than lighter oils
B.
easier to clean up than lighter refined oils
C.
less harmful to sea life than lighter oils
D.
not a real threat to marine life
【单选题】If a heavy sea strikes the rudder, the shock is transmitted through ___ to the rams, this cause a sudden increase in oil pressure in one of the cylinders.
【判断题】气体在水中的溶解度是在该温度和压力下气体在水中所能溶解的最大量