A hydraulic variable speed drive system of shield disk cutter has been designed.
设计了盾构刀盘变转速液压驱动系统。
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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