皮皮学，免费搜题
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【单选题】
对于土方开挖工程，施工企业编制专项施工方案后，经（ ）签字后实施。A.
施工企业项目经理、现场监理工程师
B.
施工企业技术负责人、建设单位负责人
C.
施工企业技术负责人、总监理工程师
D.
建设单位负责人、总监理工程师
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
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