问题
多项选择题
刮板链掉道的原因有（）
A.回煤太多
B.刮板链过度松弛
C.刮板弯曲严重
D.输送机过度弯曲
答案
参考答案：B, C, D
搜题请搜索小程序“爱下问搜题”
刮板链掉道的原因有（）
A.回煤太多
B.刮板链过度松弛
C.刮板弯曲严重
D.输送机过度弯曲
参考答案：B, C, D
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We have ____________, ____________, ____________, ____________ and art. 2. We have math, Chinese, music, Moral Education and P. E. today. What day is it? It's ____________. 3. I like ____________. We have ____________, music, math, ____________ and art. 4. Do you have music on Thursdays? ____________, I ____________. |