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《大气污染物综合排放标准》对新老污染源规定了不同的排放限值,其中排气筒高度除必须遵守标准规定的排放速率标准值外,还应高出周围200米半径范围内的建筑()米以上,达不到该要求的排气筒,应比原标准规定的排放速率严格()执行
蒸发器冷气出口温度正常在()
在脱氨基作用中,最常见的方式是是()。
缓释制剂中延缓释药主要应用于( )。
办理银行汇票未用退回时,需由汇票申请人出具加盖单位公章的证明或申请人身份证件,填写三联进账单,与银行汇票()一并提交出票社。
信访事项受理的范围是什么()。
条件致病菌的感染是( )。
旅行社有下列情形之一的,由旅游行政管理部门责令改正,停业整顿1~3个月;情节严重的,吊销旅行社业务经营许可证( )。
()是衡量数据通信系统正常工作情况下的可靠性度量指标。
短效口服避孕药用法哪项正确?( )
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