The implementation of accurate boom location of drilling Jumbo at the driving place is a key link to improve the drilling-blasting effects.
在掘进工作面上实现凿岩台车钻臂的准确定位是提高凿岩爆破效果的重要环节。
The implementation of accurate boom location of drilling Jumbo at the driving place is a key link to improve the drilling-blasting effects.
在掘进工作面上实现凿岩台车钻臂的准确定位是提高凿岩爆破效果的重要环节。
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