warning line
短语词组
- reflectorised warning line 反光警戒线;反光鉴戒线
- radar warning line 雷达警戒线
- air warning line 空袭警报线
- overhead warning line 拦河线
- International Warning Line 国际警戒线
- initial warning line 早期警戒线
- warning line of unemployment 失业警戒线
- electronic -warning line 电子警戒线 返回 warning line