water pump drain plug 水泵放水螺塞
She pulled out the plug and let the water drain away.
她拔起塞子放掉了水。
Wall brick, floor tile in the post, before bubble water must enough time. At the same time will use item floor drain plug well, prevent cement fall blocking drains.
墙砖、地砖在贴之前，泡水时间一定要够。同时要将地漏用东西塞好，防止水泥掉下去堵塞下水道。
Pump shaft seals use mechanical seal, pump top and bottom, respectively, equipped with water injection plug and the drain plug.
泵的轴封采用机械密封，泵体顶部和底部分别装有注水、放泄的螺塞。
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