综采下付巷胶带输送机头处必须有煤仓或通过给煤机给煤。
参考答案:对
— _____________ her name?
— Her name is Lucy.[ ]
A. What's
B. Where
C. Who's
D. Which
疳肿胀的病机是()。
A.脾病及心
B.脾病及肺
C.脾病及肾
D.脾病及肝