yieldable

詞組搭配

yieldable arch可縮性拱形支架

yieldable support可縮性支架

yieldable u-steel supportu型鋼可縮性支架

U-steel arch yieldable support拱形巷道

yieldable lining可縮性襯砌

yieldable steel sets可縮性鋼支架組

yieldable steel arch可縮性金屬支架

Yieldable hinged support多鉸可縮支架

coupling yieldable support耦合讓壓支護