關於ducting的百科

• ducting造句怎麼寫

• Theductinghoseendsetfunnelindraftcoveruseinventilatorinstallation.Theductinghoseelseendsetdiscalairexitofpowerandheatsupplysetinstallation.Themainfeaturesare:noadditionalfansandductingneeded,pressurelossnotincreased,lowin-vestmentandeasyerection.From...
• 2018-03-1732821