The rotating unit of a spilt windlass consists of a（） with shaped snugs to grip the anchor cablea mooring drum for paying out or letting go of mooring wires and warp end for warping duties.

For the purpose of（）tank or hold washings from any vessel，an application shall be made to Harbor Authorities for approval.

Generally speaking, suction heads require to be （） for high speed or large capacities than for low speed or small capacities.

The guard, fencing or shielding for moving parts or machinery can be removed for repair only when the machinery it belongs to（）

港口枢纽运输组织与铁路枢纽运输组织有何异同？

When students are given the structure in an authentic or near authentic context and are asked to work out the rule for themselves, what kind of method their teacher is using?

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

The （） is used for hauling in or letting out the wires or ropes.

We are going to carry out an emergency （）.

Banks have no liability for any delay or loss caused by postal or telex failure.

（ ）estimating is a technique for estimating the duration or cost of an activity ou project using historical data from a similar activity or project.

铁路车站及枢纽的能力是铁路运输能力的主要组成部分。