求翻译：首先，严格按设计坡度放线，清尽浮矸、找好坡度后，支模，水沟侧要用槽钢支模，模板支设必须牢固，不得倾斜、漏浆。是什么意思？

First, put the line slope in strict accordance with the design, make clear floating gangue, find a good slope, the formwork, formwork drain side channel to use, template support set to be fixed, not tilt plasma leakage.

First of all, strictly according to the design on-line, and the best gradient floating capacity, and to find a good gradient to support model, ditch side channel steel support model, templates support must be firmly established, and shall not be tilted, and missed pulp.

正在翻译，请等待...

First, strictly according to the designed gradient line, clearing floating refuse, when the slope is found, formwork, gully side channel steel formwork is used, the template must firmly established, not italic, leakage.

First, put the line slope in strict accordance with the design, make clear floating gangue, find a good slope, the formwork, formwork drain side channel to use, template support set to be fixed, not tilt plasma leakage.