判断题

2.采区间沿走向的开采顺序有两种，前进式和后退式。（）

【参考答案】

错误

(↓↓↓ 点击‘点击查看答案’看答案解析 ↓↓↓)

相关考题

Millielwys does her homework the evening but she wtches...

单项选择题Millielwys does her homework the evening but she wtches TV Fridy evening.on; inB．t; inC．in;Millielwys does her homework the evening but she wtches TV Fridy evening.on; in B．t; in C．in; on D．in;t

A.on; in
B.at; in
C.in; on
D.in; at

中国的瓷器，为欧洲的科学革命提供了强大的武器

未知题型中国的瓷器，为欧洲的科学革命提供了强大的武器

Patricia often watches television in the evening, but y...

未知题型Patricia often watches television in the evening, but yesterday evening she ____ television.

2.采区间沿走向的开采顺序有两种，前进式和后退式。（ ）

2.采区间沿走向的开采顺序有两种，前进式和后退式。（）