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评价外科患者的营养状态,最简单而实用的指标是()。
国际会计的三大课题是()。
机车质量成为限制增大机车功率的主要因素。
滤失
《行细》规定:哈尔滨客运段对担当热备动车组客运乘务人员做好培训,配备哈西站始发、终到动车组列车运行时刻。()
稳压稳流电泳仪属于中压电泳仪。其输出电压、电流的调节范围为()。
下列关于消防泵的选用的说法,错误的是()。
在电梯机房内作业时,应注意哪些问题?
管理就是管理者在一定的环境下,为了实现特定组织的目标,动员和运用资源而进行的计划、组织、领导和管制等社会活动。
企业应将工会经费计入( )。
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() fuel oils () lubricating oils require treatment before passing to the engine.
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The emulsion of the oil is mainly caused by ().
The emulsion of the oil is mainly caused by ().
Which of the following methods might favor oil emulsion in bilge water?()
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