... 陆地风光 landscape 风管止回阀 check damper 风管支架 suppotof duct ...
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机械专业英语词汇 ... support material 补强材料 support of duct 风管支[吊]架 support of motor 电动机支架 ...
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短语
通风管支架
air tray
;
air pipe tray
;
VENT DUCT SUPPORT
前风管下安装支架
before myere pipe down mounting