bolt anchor造句

Standard test method for rock bolt anchor pull test
石栓锚定拉力试验的标准试验方法
Test and research on non - destructive measurement of mine resin bolt anchoring quality
矿用树脂锚杆锚固质量无损检测的试验研究
Application of bolt anchor support technology for equipment removal in fully mechanized mining face
支护技术在综采面设备拆除中的应用
Rapid cutting technology of coal shearer along with fully mechanized coal mining face with bolt anchor steel mesh support system
锚索网支护下综采工作面收作煤机快速刷面技术
It's difficult to see bolt anchor in a sentence. 用bolt anchor造句挺难的