In relation to cargo gear,what does SWL mean?().
时间:2022-10-09
If the engine of a survival craft does not start,check to see().
时间:2022-10-03
Limit switches are used on which davits?()
时间:2022-09-26
Static electricity may be built up by the().
时间:2022-09-25
As the propeller turns,voids are formed on the trailing and leading edges of the propeller blades causing a loss of propulsive efficiency,pitting of the blades,and vibration. These voids are known as().
时间:2022-09-24
The purpose of a bilge well is to().
时间:2022-09-20
As oil pipe line connections were broken,()quantity of oil was caused to spill onto the wharf and into the dock water.
时间:2022-09-19
The rudders are amidships and both screws are going ahead. What will happen if the starboard screw is stopped?()
时间:2022-09-14
An integral part of a blowout preventer that serves as the closing element on an open hole,and whose ends do not fit around the drill pipe but seal against each other and shut off the space below completely is the().
时间:2022-09-12
The bypass valve on a self-contained breathing device should be opened if().
时间:2022-09-10
All echo-sounders can measure the().
时间:2022-09-08
On a ship,a door that is required to be marked KEEP CLOSED is designed to().
时间:2022-09-07
发生()传染病暴发、流行时,省、自治区、直辖市人民政府或者国务院可以决定对疫区实施封锁。
时间:2022-09-06
Each cylinder in a two stroke cycle engine experiences combustion().
时间:2022-09-05
The series of valves used to control the return flow in well control operations is called the().
时间:2022-08-30