screw log
英 [skruː lɒɡ]
美 [skruː lɔːɡ]
拖曳转轮式机电计程仪
英英释义
noun
- a cigar-shaped log with rotary fins that measure the ship's speed
Synonym: patent logtaffrail log
美 [skruː lɔːɡ]
拖曳转轮式机电计程仪
noun
Synonym: patent logtaffrail log