钻孔直径: borehole diameterdiameter of borediameterofboredrilled diameterhole sizeholesizewell diameterwelldiameter
Example Sentences:
1.
Safety precautions and procedures for the construction and descent of machine - bored shafts for piling and other purposes 打桩工程及其它目的用机械钻孔轴结构及坡道安全防护和制造程序
2.
Application of artificial digging hole and machinery drilling hole bored concrete pile mixture support in new and old construction 人工挖孔与机械钻孔灌注桩混合使用支护在新旧工业厂房施工中的应用