主通风机运行中突然停电后立即恢复，应按起动运转规定重新起动风机，不必等风机停止运转。
参考答案：对
When I have seen the film, ______ hits me how difficult it is for us to protect the Tibetan antelopes in
modern society. [ ]
A. which
B. what
C. it
D. that
制动距离
