![ductwork造句怎麼寫]( "ductwork造句怎麼寫")
- 1、Makesureductworkisinsulated.2、AmethodofassemblingHVACductworkcomponentsisdescribed.3、Multileafdampersareusedtoisolateandrestricttheairflowinductworkandotheropenings.4、Themethodincludesthestepofcouplingtogetherfirstandsecondductworkcomponents.5...
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