编制液压支架(及配套设备)撤除措施包括()等内容。
A、撤除对综采工作面结束的要求
B、准备工作
C、工艺顺序
D、顶板控制、油质
E、安全措施
参考答案:A, B, C, D, E
患者女,28岁,4个第一磨牙尖对尖远中关系,前牙Ⅲ。深覆,Ⅱ度深覆盖,下切牙咬在上牙腭侧龈组织,上下前牙有散在间隙,面中1/3轻度前突。面下1/3较短
对此患者应诊断为()
A.安氏Ⅰ类错
B.安氏Ⅱ类1分类错
C.安氏Ⅱ类2分类错
D.安氏Ⅲ类错
E.牙列轻度拥挤
Which of the following statements regarding a futures trade of a deliverable contract is FALSE()
A. The long is obligated to purchase the asset.
B. The short is obligated to deliver the asset.
C. Equilibrium futures price is known only at the end of the trading day.