| 释义 |
patent log 【航海学】拖曳式计程仪[亦作 screw log] 以上来源于:《21世纪大英汉词典》 patent logn.① 【航海】拖曳式計程儀patent logn.【海】拖曳式计程仪See alsochip log详细释义源自:《新世纪英汉大词典》Collins外研社 n.拖曳式计程仪;参见:chip log【航海】英英释义n.a cigar-shaped log with rotary fins that measure the ship's speed拖曳式计程仪paten |