单项选择题
A.turning cycle
B.working cycle
C.working hour
D.working stroke
单项选择题 The operating diesel generators will have their exhaust temperatures, cooling water and lubricating oil temperatures and pressures () in much the same way as for the main engine.
单项选择题 The oil was pumped up in the settle tank such a height that it ().
单项选择题 The oil quantity for bearing lubrication should be applied in such an amount as to be sufficient to carry away the () caused by the friction at the bearings.