pipe duct 喉管井道 ; 入墙暗渠 ; 喉槽 ; 管路
single spiral duct pipe 单螺旋槽管
installation hole of pipe duct 管沟安装孔
safety exit of pipe duct 管沟事故人孔
accessible pipe duct 进入管道
Pipe Duct Cleaner 管沟清扫器
Pipe flow Duct flow 管流 ; 标签
duct keel pipe 管子洞管子
hume pipe duct 离心制钢筋混凝土管道
I wondered if Cody knew that I was just a poor struggling CIO trying to hold together an email infrastructure with duct tape and PVC pipe.
我不知道科迪是否知道我只是一个可怜的首席信息官,奋力地用布基胶带和聚氯乙烯管将电子邮件设施整合起来。
Glass cotton USES: air conditioning heat preservation, duct insulation, steel structure heat preservation, boiler heat preservation, precipitator, steam pipe heat preservation, etc.
玻璃棉制品的用途:空调保温、风管保温、钢结构保温、锅炉保温、除尘器、蒸汽管道保温等。
Duct branch is rich in natural form of uniform distribution, wall smooth, branch pipe and tube diameter on the transition to a flat.
导管分支丰富,形态自然,分布均匀,管壁光滑,分支导管与上一级导管管径过渡平缓。
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