blacking signal造句

例句与造句

1. special actions to be taken for red black signal
   红黑色暴雨警告信号发出时，特别注意事项
2. if the red black signal is issued when some students have set out for school-
   如红/黑色暴雨警告信号发出时，学生已经离家上学：
3. the observatory will endeavour to issue the red and black signals before the specified rainfall levels are reached
   天文台争取在降雨量到达指定水平前，发出红色和黑色信号。
4. the observatory will endeavour to issue the red and black signals before the specified rainfall levels are reached
   天文台争取在降雨量到达指定水平前，发出红色和黑色信号。
5. the amber signal gives alert about potential heavy rain that may develop into red or black signal situations
   黄色信号提醒市民将有大雨并可能进一步发展至红色或黑色暴雨情况。
6. It's difficult to find blacking signal in a sentence. 用blacking signal造句挺难的
7. the amber signal gives alert about potential heavy rain that may develop into red or black signal situations
   黄色信号提醒市民将有大雨并可能进一步发展至红色或黑色暴雨情况。
8. the red and black signals warn the public of heavy rain which is likely to bring about serious road flooding and traffic congestion
   红色及黑色信号忠告市民大雨将引致道路严重水淹并造成交通挤塞。
9. the red and black signals warn the public of heavy rain which is likely to bring about serious road flooding and traffic congestion
   红色及黑色信号忠告市民大雨将引致道路严重水淹并造成交通挤塞。
10. all academic units should postpone or cancel the tests, exams and outdoor activities . all classes should be held as usual two hours after the black signal is off
    如中午十二时仍然悬挂黑色讯号，所有下午课堂(由1330至1830)及考试会被取消。