With its automatic advancing, braking and locking devices, it can achieve the tunneling state semi-automatically.

通过引入自动进车、自动停车与锁定装置，实现了进入隧道状态的半自动化。

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With its automatic advancing, braking and locking devices, it can achieve the tunneling state semi-automatically.

通过引入自动进车、自动停车与锁定装置，实现了进入隧道状态的半自动化。

youdao