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根据《水工碾压混凝土施工规范》，踊跃碾压混凝土配料的衡量器应（ ）个月检验一次。ýàçEºV?bbs.3c3t.com£©2)V"ø
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根据《港口工程混凝土粘结修补技术规范，混凝土结构加固所用的钢材宜选用（ ）ýàçEºV?bbs.3c3t.com£©2)V"ø
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在水运工程中，常用的地基加固方法有（ ）ýàçEºV?bbs.3c3t.com£©2)V"ø
A，预压法ýàçEºV?bbs.3c3t.com£©2)V"ø
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