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【单选题】
观测竖直角时，在竖盘读数之前应调节竖盘水准管微调螺旋，使之居中;其目的是使()处于一个固定的位置。A.
竖轴误差;
B.
纵轴误差;
C.
竖盘指标;
D.
横轴误差对中误差。
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【单选题】Valve cages are used on some large diesel engines to （）
A.
reduce wear on the valve stem
B.
permit the use of alloy valve seat materials
C.
reduce heat transfer from the valve seat
D.
facilitate valve removal for servicing
【单选题】The dentist's confident manner ______ me that I was in safe hands.
A.
assured
B.
ensured
C.
insured
D.
sured
【单选题】Valve cages are used on some large diesed engines to_
A.
reduce wear on the valve stem
B.
permit the transfer of alloy valve seat materials
C.
redue heat transfer from the valve seat
D.
facilitate valve removal for servicing
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【多选题】在 5S 现场管理法的推行步骤中,全面展开 5S 活动的内容有
A.
改善诊断报告中的问题
B.
指导企业拟定 5S 评分标准
C.
指导企业拟定 5S 竞赛办法
D.
各责任区域展开 5S 活动
【多选题】在5S现场管理法的推行步骤中,全面展开5S活动的内容有
A.
改善诊断报告中的问题
B.
指导企业拟定5S评分标准
C.
指导企业拟定5S竞赛办法
D.
各责任区域展开5S活动
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