1. plumb lines的近义词
1. Bricklayers and carpenters often use plumb lines.
瓦工和木工经常使用铅垂线。
2. Using traditional plumb lines in elevator guide rails''installation is difficult to ensure the installation accuracy, wasting time and labour.
电梯导轨安装精度以往多采用吊线锤法,一般很难保证导轨的安装精度,且费时、费力。
3. After a period of bed deforming, sand dunes emerged and we also measured the instantaneous velocity process of several points on the prearranged plumb lines of a representative sand dunes.
在床面经过一段时间变形出现沙垄后,又量测了一个典型沙垄上不同位置沿铅垂线方向上各测点处的瞬时流速过程。
4. Using traditional plumb lines in elevator guide rails ′ installation is difficult to ensure the installation accuracy, wasting time and labour.
电梯导轨安装精度以往多采用吊线锤法,一般很难保证导轨的安装精度,且费时、费力。