signal worker的意思|示意
美 / ˈsiɡnəl ˈwə:kə /
英 / ˈsɪɡnəl ˈwɚkɚ /
信号员
signal worker相关例句
It must be advised signal worker and winch operator when personnel is passing by.
人员通行,必须通知信号工和卷扬工.
互联网
Signal worker can't send hoisting signal until be ensure that no worker is in it.
信号工要确保井筒内无人,才能发送升降信号.
互联网