卡的生命周期包括哪几个方面()。 A.制卡。 B.发卡。 C.换卡。 D.销卡。 E.卡查询及其他。
Pitching is angular motion of the vessel about what axis?(). Longitudinal。 Transverse。 Vertical。 Centerline。
When comparing different fuels for different engines, the ignition quality of diesel fuel oils becomes a less critical consideration as () the amount of lube oil additives increase。 piston speeds increase。 injection pressure decrease。 engine speeds decrease。
气缸镜面的硬度:缸径≤500mm时,硬度为HB190-241;缸径>500mm时,硬度为()。
It would be possible that part of the cargo got()as great change in the weather during the voyage caused heavy()in the hold. damp/water。 dampness/sweater。 wet/condensation。 wetness/dew。
On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds,which is TRUE?().