进行应力放散时要求做到什么?
参考答案:沿钢轨全长放散要匀,放散量要够,最后锁定轨温要准。同时要求结合放散应力,整治线路爬行。
下列有关武昌起义的表述,正确的是( )
A.革命党人进行了周密完善的筹划
B.新军中的革命党人发扬了主动精神
C.革命领导人始终处于武装起义的前
D.是中国同盟会领导人直接策划发动的
You board an inflatable liferaft that has been hand launched from a sinking vessel. What should you do first after everyone is onboard the liferaft?().
A.Cut the painter
B.Operate the radio equipment
C.Open the equipment pack
D.Ventilate the liferaft of CO2