free standing mast 中文意思是什麼
free standing mast
解釋
不用繃繩的輕便井架-
Free - standing industrial chimneys - design and execution of mast construction with satellite components
獨立式工業用煙囪.帶輔助元件的塔式煙囪的設計和施工 -
Free - standing industrial chimneys - part 8 : design and execution of mast construction with satellite components
獨立式工業用煙囪.第8部分:帶輔助元件的塔式煙囪的設計和施工 -
Free - standing industrial chimneys - part 8 : design and execution of mast construction with satellite components ; german version en 13084 - 8 : 2005
獨立式工業用煙囪.第8部分:帶輔助元件的塔式煙囪的設
分享友人