The machinery had been wrecked so efficiently that police were sure it was a case of ( )

单选题

Thermocouples often be used to measure ________ in the machinery.

答案解析

单选题

The machinery had been wrecked so efficiently that police were sure it was a case of ( )

答案解析

单选题

Which of the following may be different for a ship to discharge oily mixtures resulted from machinery spaces when the ship is in or outside the special area?

答案解析

单选题

The officer in charge of the engineering watch shall ensure that all machinery involved with the maneuvering of the ship can immediately be placed in the ____ of operation when notified that the ship is in congested waters.

答案解析

单选题

Mr. Smith was much surprised to find the watch he had had _____ was nowhere to be seen.

答案解析