煤层倾角小于60度时,在()投影图上估算资源/储量。
A、立面
B、平面
参考答案:B
In the context of a company’s formation and constitution, explain the nature and purpose of the following documents:
(a) the memorandum of association; (2 marks)
附子的临床应用是()
A.抗溃疡
B.快速型心律失常
C.腰痛
D.月经不调
E.急性胃肠炎