proceed signal

基本解释

If these conditions are not satisfied the gate remains closed and the signal cannot proceed.
如果這些條件得不到滿足的大門仍然關閉和信號無法繼續。
The fluent display, the signal valve, 70 degrees fire resisting dampers (LD4400E) connect the fire warning holding wire the proceed signal load module.
火流唆使器、旌旗燈號閥、70度防水閥經過旌旗燈號輸進模塊（LD4400E）啣接火警報警旌旗燈號線。
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Your attention please! We are waiting for signal to proceed , and a train will depart shortly. We apologize for any inconvenience caused.
乘客請畱意，由於等候訊號關系，本班列車將稍遲開出，不便之処，敬請原諒。