问题
单项选择题
钢坯中厚板的原料堆放时，垛高不能超过( )m。
A．4
B．4.5
C．5
D．5.5
答案
参考答案：B
解析： 钢坯中厚板的原料堆放时，垛高不能超过4.5m。
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钢坯中厚板的原料堆放时，垛高不能超过( )m。
A．4
B．4.5
C．5
D．5.5
参考答案：B
解析： 钢坯中厚板的原料堆放时，垛高不能超过4.5m。
| 将所给短语填入对话适当位置，使对话内容完整。 | |
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