着重对主剪切缸液压回路特点进行了分析，对主剪切缸剪切能力进行了详细校核。
Also the characteristics of the hydraulic circuit of the main shear cylinder has been analyzed, and the shearing capacity of the main shear cylinder has been checked.
液压气门辅助控制单元（12）可借助于一相对于内燃机（1） 的主油回路（2）附加设置的辅助油回路（3）接通和切断。
The hydraulic valve auxiliary control unit (12) can be connected and cut off by means of an additional auxiliary oil circle (3) related to a main oil circle (2) of the internal combustion engine (1).
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