The thrust of crowd cylinder on tunneler is the main design parameter to determine the number and dimension of crowd cylinder on tunneler and the basis to determine propelling force of tunneler work.

• 掘进机推进液压缸的推压力是确定掘进机推进液压缸缸数和液压缸大小的主要设计参数，也是确定掘进机工作中推进力大小的依据。