... 间断穿纬法 broken pass 间断缝 broken seam 间断调节 discontinuous control ;intermittent control ...
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SEAM BROKEN 缝骨爆裂 ; 爆线
soft and broken seam 松软破碎煤层
top front piping seam broken 捆条边破损
collar tip seam broken 爆领尖
soft-broken coal seam 松软破碎煤层
·2,447,543篇论文数据，部分数据来源于NoteExpress
There was a broken seam sliding structure mainly developed in the mining area and there was less folding broken in the seam.
矿区主要发育断裂式层滑构造，造成煤层揉皱破碎较少。
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