| 释义 |
plumb lines是plumb line的复数 n. | 1. a piece of string with a metal object attached to the bottom, used for checking whether a wall is straight or for measuring the depth of water |
1. | 铅锤线 注册在水平板（观测仪）的 11 枚商标 ... 气量表 Gasometers 铅锤线 Plumb lines 测探线 Sounding lines ... www.86tm.com | 2. | 吊线锤 线锤_英文_英语_线锤用英语怎么说_翻译_读音... ... 1. Plumbline 铅锤线 4. Plumb lines 吊线锤 1. Plumbing bobs 钢吊线锤 ... www.iciba.com |
|