开切眼 meaning in English

open-off cut
through cut

Open - off cut bolt supporting in fully mechanized top - coal caving face
综放面开切眼锚杆支护技术
Talking about hole cutting support style in comprehensine mining working face
浅谈综采工作面开切眼支护方式
Bolting with mesh in large span open - off cut in fully mechanized top - caving face
大跨度综放面开切眼锚网支护
Carrying - out quick and safe excavation in fully - mechanized open - off cutting roadway
综采开切眼巷道的快速安全掘进
Structure optimization and application of steel trapezium - shaped support
对焊工字钢支架在综放大断面开切眼中的应用

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