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空压机第二级以及以后各级中间冷却器中,冷却水压通常()气体的压力,因此,如果发生泄漏,则气体会漏往冷却水中。
古代自然哲学家赫拉克利特认为组成世界的基本元素是()。
生化突变型
根据支付结算法律制度的规定,银行汇票的提示付款期限是()。
国际业务电路主要包括国际TELEHOUSE、()、国际电路仿真、国际E网等业务电路。
前列腺增生症常见的临床症状不包括( )。
在反应X+2Y=R+2M中,已知R和M的摩尔质量之比为22:9,当1.6g X与Y完全反应后生成4.4g R,则此反应中Y和M的质量之比为( ).
航行中的船队,万一遇到强风袭来时,应()。①船长亲自掌握船队的驾驶②船驳之间加强缆绳的系结和靠把的衬垫③单排一列式吊拖船队可改为顶推形式④尽量赶赴安全避风锚地,当无法抵达锚地时要立即解队单独抛锚⑤舱面工作人员要抓住船上固定物体稳步慢行避免落水
凉膈散中君药是()
胃溃疡急性穿孔,最理想的治疗方法是()
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