The article mainly elaborated the general shield type hydraulic pressure support design process.
本论文主要阐述了一般掩护式液压支架的设计过程。
Because this coal bed thickness is moderate, selects the shield type hydraulic pressure support.
由于该煤层厚度适中，选用掩护式液压支架。
Because this coal bed thickness is moderate, selects the shield type hydraulic pressure support.
由于该煤层厚度适中，选用掩护式液压支架。
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