刮板输送机刮板运行平稳,无挂卡、()现象,刮板无明显歪斜,链条、刮板在机头、机尾链轮上无卡阻、()现象。
参考答案:飘链;跳链
We're leaving at six o'clock , and hope _____ most of the journey by lunch time .
A.to do
B.to have done
C.to make
D.to have made
补充下面诗句中空缺部分:
(1)恰同学少年, ;书生意气 ,。
(2)复为慷慨余生, , 。
(3)像我一样默默 ,冷漠,凄清, 。