... inlet manhole 人孔入口 inlet manifold 进口阀箱 inlet mouth 进气口 ...
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总之选取点阀箱应按戒指的不同来选用。2、在安装时要注意点阀箱进口法兰内的过滤芯是否已安装在内。
In short valve box should be selected at the different rings to choose. 2, attention should be paid at the time of installation in the valve box at the flange import filters have been installed,.
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