问题
多项选择题
塔机驾驶室应设有表明塔机起重性能的（）.
A.公式
B.图表
C.文字说明
D.电动式
答案
参考答案：B, C
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塔机驾驶室应设有表明塔机起重性能的（）.
A.公式
B.图表
C.文字说明
D.电动式
参考答案：B, C
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