吊线在拉线反侧装置，角深在10-15m应加装（）辅助装置。
参考答案：吊线
To greatly raise people's living conditions, ______. [ ]
A. all kinds of measures have taken
B. they have taken all kinds of measures
C. it is said that they have taken all kinds of measures
D. I think they have taken all kinds of measures
屋面雨雪水排放按雨水管道布置类可分为（）、（）、（）.
