... 滴水孔 drip hole 放水孔 condensate drain orifice; dewatering orifice; outlet hole; relief hole; water ... 换水孔 exchanging water hole ...
基于4个网页-相关网页
... dewatering culvert 排水暗沟 dewatering orifice 排水孔 dewatering screen 沥水筛 ...
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