Face; Very disheartened water of bottom board; Prevention and cure.
工作面；底板太灰水；防治。
One end of the pump body is provided with a detachable bottom board.
泵体一端装有可拆卸的底板。
There was tremendous excitement on board when a chest was raised from the bottom.......
当从海底提上来一只箱子时，船上出现了极为兴奋的场面。
To prevent corrosion, I sprayed the bottom of the board with clear lacquer.
以防止腐蚀，我喷涂底部的董事会明确的漆器。
Auxiliary Pole: work with direction wheel at bottom of push board, ensure pipe moving direction.
辅助杆位于推板的两侧确保管材的前进方向。
Auxiliary Pole: work with direction wheel at bottom of push board, ensure pipe moving direction.
辅助杆位于推板的两侧确保管材的前进方向。
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