这个新的伞型运线公司看起来似乎做得更好。
本实用新型采用了伞型结构原理,以外体封闭方式堵漏。
The utility model adopts an umbrella type structure principle to plug by an outer body sealing way.
排气筒用于高架排放废气和有害气体,通常配置伞型风帽以避雨水。
Stacks for discharging waste air or harmful gases into atmosphere are in most cases headed with a canopy cowl for rainfall protection.
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