1.
differential low oil pressure warning signal
差速器低油压警告信号
2.
sound a note of alarm/danger/warning
发出警报[危险信号/警告信号]
3.
oil pressure warning switch
润滑油压力警告电门
4.
be sounded as a signal or warning
发出信号或警告的声响
5.
threat warning receiver
威胁警告信号接收机
6.
automatic-alarm-signal keying device
自动告警信号键控装置
7.
Multiplex Section-Alarm Indication Signal
复用段告警指示信号
8.
any device or object placed to give people a warning,information,etc
（给人警告、信息等的）信号器或信号物
9.
Something, such as a signal, that warns.
警报能起警告作用之物或事，如信号
10.
An alarm sounded on a bell.
警报在钟上敲出的警告信号
11.
One is a sudden or severe pain that does not go away.
一种警告信号是突然产生疼痛或剧痛。
12.
a short high tone produced as a signal or warning.
作为信号或警告的高音调短促音。
13.
The thief signalled that the police were coming.
小偷以信号报告说警察来了。
14.
an automatic signal (usually a sound) warning of danger.
警告危险的自动信号（通常是一种声音）。
15.
The red light is a warning sign for stop.
红灯是警告停止行进的信号。
16.
a silent signal of warning or recognition.
无声的警告或者承认的信号。
17.
A signal fire, especially one used to warn of an enemy's approach.
烽火信号火，尤指警告敌人接近的
18.
Research on Laser Warning Multi-Channel Signal Synchronous Control System
激光告警多路信号同步控制系统研究