纵坡线 [
zòng pō xiàn]
[建] grade line
- ⑥边沟的整修应挂线进行,对各种水沟的纵坡均采用仪器检测,整修到符合设计及规范要求为止。
When refit gutter, we need to have a line on it, different kinds of slope should be test by instrument. We should to make it accord with criterion requirement.
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