建房前要先把地基垫平。
砼采用泵送施工，管道安装要顺直，并垫平。
Use of concrete pumping construction, pipeline installation to be straight and flat pad.
介绍了一种新式的输送设备气阀出流式气垫平台。
标准型具有可以随意倾斜的大床垫平台，但无高度调节功能。
A standard type without height adjustment provided with a large mattress platform that can be tilted as you like.
门扇、门套应在室内用垫板垫平叠放、门套与门扇分开叠放；
Pile the door leaf and the door pocket indoors with tie plates evenly and separately;
拉底的山石底部一定要垫平垫稳，保证不能摇动，以便于向上砌筑山体。
At the bottom of the 2, pulling the bottom rocks must ensure the flat pad stability, and could not shake, in order to masonry mountain.
吊车、轮式专用机械车不准在5%以上的坡道上横向起吊作业，如必须作业时，应将车身垫平。
A crane truck or wheeled machinery is not allowed to do horizontal lifting on a 5% slope . If it has to operate on this slope , the vehicle must be leveled up.
替换下来的彩砖彩瓦模具，清洗干净，涂油防锈，应置干燥、平整处支垫平放，防止重力变形。
The replacement for brick and tile mould clean, besmear antirust oil, should be dry, level off place MATS flat, prevent the gravity deformation.
该文介绍了推拉式气垫平台的结构，定义了该种非常规地面运载车辆的运动方式，并分析了它的运动学。
A brief introduction to the pull push air cushion platform developed by Jilin University of Technolog was given in the paper.
实验研究与数值模拟结果表明，砂垫平铺圆管的横向冲击变形主要为冲击点局部凹陷，结构的整体弯曲变形可以忽略。
The results show that the displacements of the procumbent circular tube under lateral impact are mainly local depression around the impact point and the global deformations can be neglected.
实验研究与数值模拟结果表明，砂垫平铺圆管的横向冲击变形主要为冲击点局部凹陷，结构的整体弯曲变形可以忽略。
The results show that the displacements of the procumbent circular tube under lateral impact are mainly local depression around the impact point and the global deformations can be neglected.
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