bottom board

基本解释

Driving components are installed on the bottom-board of the machine, it can reduce the mechanical consumption and avoid vibration.
传动构件安装在设备底板，机械损耗小，避震性高。
It improved on the conventional box-girder of prestressed concrete and was looked upon to combine with top-and-bottom concrete board , external tendons and corrugated steel webs.
它可以看成是由混凝土顶底板、体外预应力筋和波纹钢腹板三者构成的组合结构，是对传统的体外预应力混凝土箱梁的一种改进。
Waterproof & FR: Using special production process, with a facial waterproof layer and the double-layer waterproof in the bottom load-bearing face, the entire board is waterproof and water-repellent;
防水防火：特殊的产品生产工艺，具有面部防水层和底部承重层的双重防水，整板防水憎水；

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