兜翻操作中,当物件在重力倾翻力矩作用下自行翻转时,应将手柄扳至:()
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采区地质说明书中所描写的文字部分中的地质构造包括有采区内断层、褶曲、裂隙及()的展布特征及变化情况。
How do you do? Glad to meet you.()
A. Fine. How are you?
B. How do you do? Glad to meet you, too.
C. How are you? Thank you!
D. Nice. How are you?
下列植物为球根花卉的是()
A. 美人蕉
B. 矮牵牛
C. 三色堇
D. 一串红