proceed signal

基本解释

If these conditions are not satisfied the gate remains closed and the signal cannot proceed.
如果这些条件得不到满足的大门仍然关闭和信号无法继续。
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、旌旗灯号阀、70度防水阀经过旌旗灯号输进模块（LD4400E）衔接火警报警旌旗灯号线。
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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.
乘客请留意，由于等候讯号关系，本班列车将稍迟开出，不便之处，敬请原谅。