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使用木梁金属支柱(摩擦支柱、单体液压支柱)架设超前支护时,
应一梁两柱并留有宽0.7m以内的人行道。( )
A.
正确
B.
错误
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【单选题】E When you are little, the whole world feels like a big playground. I was living in Conyers, Georgia, the summer it all happened. I was a second grader, but my best friend Stephanie was only in the fi...
A.
To introduce Stephanie to her.
B.
To pr her from seeing his painting.
C.
To put the materials back in the yard.
D.
To show his artwork to her.
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【单选题】E When you are little, the whole world feels like a big playground. I was living in Conyers, Georgia, the summer it all happened. I was a second grader, but my best friend Stephanie was only in the fi...
A.
To introduce Stephanie to her.
B.
To pr her from seeing his painting.
C.
To put the materials back in the yard.
D.
To show his artwork to her.
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