题目内容：
钢拱架的截面高度应与喷射混凝土厚度相适应，一般为_____cm参考答案：
选择题：钢拱架的截面高度应与喷射混凝土厚度相适应，一般为_____cm
- 题目分类：石家庄铁道大学隧道工程
- 题目类型：选择题
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Convenience foods which are already prepared for c
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