Filters a and B ensure that no rinse waters go to drain giving a closed system.
过滤系统通过密闭系统保证水不流失。
The drain valve is opened or closed by taking advantage of the change of liquid level of condensate water with the high-precision grinding stainless steel hollow float ball in the valve cavity.
利用高精度研磨不锈钢空心浮球在阀腔内随着凝结水的液位变化开启或关闭阀门。
Zip suspension cover doubles as a rain cover and stows in a hook-and-loop closed pocket with drain holes.
邮编悬挂盖双打作为一个防雨罩和收纳在钩环与排水孔封闭口袋内。
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