【多选题】
下列作业中,需要使用石笔的作业有哪两项 ___
A. 人工检查线路几何尺寸
B. 螺栓紧固
C. 添乘作业
D. 检查道岔几何尺寸
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下列作业中,需要向车站值班员请点的有哪三项? ___
A. 主站在正线车站的调运备轨作业
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下列关于测量正矢作业说法正确的是? ___
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下列关于拨道作业的说法正确的三项有? ___
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关于曲线外轨超高设置的目的,叙述不正确的是哪两项? ___
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【多选题】
钢轨检查时应注意哪些 ___
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B. 接头是否出现连续瞎缝或超过构造轨缝
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