The sucking room is provided on the bellmouthing end of the reducing pipe, another end of the sucking room is a suction inlet.
吸入室安装在异径管的喇叭口端，吸入室的另一端为吸入口。
The sucking room is provided on the bellmouthing end of the reducing pipe, another end of the sucking room is a suction inlet.
吸入室安装在异径管的喇叭口端，吸入室的另一端为吸入口。
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