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用“ducting”造句大全，ducting造句

用“ducting”造句大全，ducting造句

2018-03-17
Theductinghoseendsetfunnelindraftcoveruseinventilatorinstallation.Theductinghoseelseendsetdiscalairexitofpowerandheatsupplysetinstallation.Themainfeaturesare:noadditionalfansandductingneeded,pressurel...