“吊柱”造句

苏伊士运河探照灯, 但插座和吊柱由建造方提供.
Suez Canal searchlight, but socket and davit to be supplied by builder.

起动吊柱马达. 准备放艇.
Start the davit motor. Ready for lowering.

所有救生艇吊柱,滚轮,滑车, 拆检, 清洁,加油并装妥.
All sheaves and rollers of life boat davit to be overhauled , cleaned, greased and reassembled.

• #吊柱