felted fabric backing的意思|示意

美 / / 英 / /

毛毡基层

毛毡基层 ... forced draft cooling tower 强制通风冷郐塔 felted fabric backing 毛毡基层 floor construction 楼面构造 ...

毛毡下层 ... fence栅栏 felted fabric backing毛毡下层 felt ***油毡纸 ...