排水口（DRAIN MAST）在何种状态下加温？（）A、空中。B、地面。C、空中和地面。D、人工控制。
排水口（DRAIN MAST）在何种状态下加温？（）
- A、空中。
- B、地面。
- C、空中和地面。
- D、人工控制。
相关考题：
在油船上，------因素影响油气排放。A.风向和风力；卸货速度；P/V阀或惰气桅(MAST RISER)的高度和位置B.风向和风力；装货速度；P/V阀或惰气桅(MAST RISER)的高度和位置C.风向和风力；装货速度；P/V阀或惰气桅(MAST RISER)的数量和状态
The bottom of the mast rests on a part of the keel called the mast ______.A.footB.heelC.stepD.sole
单选题A shroud is（）.Aany wire running fore-and-aft on a shipBany wire with a fiber coreCa heavy wire extending from the trunk of the mast to the head of the boomDa heavy wire extending from the mast，atwartships to the deck，to support the mast
单选题The piston cooling system may employ similar components, except that a drain tank is used instead of a head tank That means this system （）.Adoesnt use a drain tank but a head tankBuses a drain tank not head tankCuses a drain tank and a head tankDuses neither a drain tank nor a head tank
单选题What fitting on the mast works in conjunction with the shrouds to control side bend of the mast?（）AChainplateBHoundCCrowfootDSpreader