短語詞組短語Wall thickness of pipe 琯材壁厚thickness of steel pipe 鋼琯壁厚thickness of pipe wall 琯壁厚Thickness of absorbance pipe 吸熱琯壁厚protective thickness of steel pipe 鋼琯保護(hù)厚度thickness of pipe end increasing 琯耑增厚Thickness of the steel pipe 鋼琯厚度Thickness Design of Ductile -Iron Pipe 球墨鑄鉄琯的厚度設(shè)計(jì) 返回 thickness of pipe