單項(xiàng)選擇題

In comparison to electric power，hydraulic power for jacking systems has the advantage of（）.

A.better control capabilities
B.less maintenance and repair
C.fewer personnel needed during jacking
D.less preload needed

你可能感興趣的試題

單項(xiàng)選擇題

I’ll have the damaged parts repaired in Hongkong and send you in due course the amount of expenses（）.

A.incurred
B.happened
C.spent
D.paying out

單項(xiàng)選擇題

If your radiotelephone fails while underway,（）.

A.you must visually signal oncoming vessels
B.you must immediately tie up in the nearest port until the radiotelephone is repaired
C.you must anchor until the radiotelephone is repaired
D.the loss of the radiotelephone must be considered in navigating the vessel

In comparison to electric power，hydraulic power for jacking systems has the advantage of（）.

你可能感興趣的試題

I’ll have the damaged parts repaired in Hongkong and send you in due course the amount of expenses（）.

If your radiotelephone fails while underway,（）.

In comparison to electric power，hydraulic power for jacking systems has the advantage of（）.