Oil pressure in the lubrication system is () the static sea water head to ensure that sea water () the stem-tube.
时间:2019-04-14 22:51:48 关键词:system,lubrication,staticOil pressure in the lubrication system is () the static sea water head to ensure that sea water () the stem-tube.
A.lower than;can lubricate
B.lower than;can cool
C.higher than;can enter
D.higher than ;cannot enter
答案解析
D
举一反三