According to the existing problem of salt mining process, the salt mining system was innovated partly.
针对采盐工艺出现的问题对采盐工序进行了局部改造。
Large - area communicated well group will surely take shape at the middle and later stage of rock salt mining.
在岩盐开采的中后期,必将形成大面积连通井组。
The operational principle and technical characteristics of CY-400A combined salt mining machine are introduced.
简述了CY - 400a联合采盐机的工作原理和技术特点。
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