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矿井瓦斯等级是按照平均日产1吨煤涌出瓦斯量和瓦斯涌出形式划分的,规定高瓦斯矿井是()。
运动器械飞行时绕其纵轴以一定的角速度旋转,可产生(),增强飞行的()。
应急预案的内容包括()。
记账凭证账务处理程序适用于经济业务量较多的单位。
早春植株萌发需水量(),枝叶盛长期,需水较多,花芽分化期及开花期,需水较(),结实期要求水分较多。
不属于颈动脉体和主动脉体化学感受器的反射特点的是()
某人觉得天气很热,旁边有空调。这是()
国家产业结构构成方面不正确的是()。
在建设项目职业病危害风险分类目录中,污水处理及其再生利用属于职业病危害()的行业。
个人客户遗失阳光卡、存单、存折的,必须立即持本人有效身份证件,并提供客户的()等有关情况,向其开户的储蓄机构书面申请挂失。
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