词族 · davit
词形变化
英语词源
- davit (n.)
- also david, "crane-like structure used to lower things off a ship, etc.," late 15c., apparently a use of the masc. proper name David on the pattern of applying common Christian names to useful devices (compare jack, jenny, jimmy).
权威例句
- 1. Inspection the structure and loading test of the lifeboat ( Rescue boat ) davit.
- 救生 ( 助 ) 艇吊架结构和压重试验.
- 2. Suez Canal searchlight, but socket and davit to be supplied by builder.
- 苏伊士运河探照灯, 但插座和吊柱由建造方提供.
- 3. The strength test for davit.
- 艇架强度试验.
- 4. Start the davit motor. Ready for lowering.
- 起动吊柱马达. 准备放艇.
- 5. All sheaves and rollers of life boat davit to be overhauled , cleaned, greased and reassembled.
- 所有救生艇吊柱,滚轮,滑车, 拆检, 清洁,加油并装妥.