单选题
发布日期:2021-03-22
drill holes through the heavy side of the impeller until it balances
weld counterweights to the light side of the impeller
remove metal from the heavy side by machining in a lathe
acid wash and serape the heavy side until it balances
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资本有机构成
用0、1、2、3、…、9十个数字组成5个两位数,每个数字只用一次,要求它们的和是一个奇数,并且尽可能大,问这五个两位数的和是多少?( )
旋光法测定的药物应具有()
配套的总范围应规定()
岗位胜任特征使员工( )的培养也跻身于培训行列。
常用的信息加密技术有多种,下面所述四条不正确的一条是( )。[2012年真题]
信度是指测量的可靠性。它一是指()的可靠,二是指()的可靠。
一个完整的微型计算机系统应包括()
以下是2005年全国资金流量表实物交易部分,请根据该表数据回答以下有关问题。 2005年全国支出法GDP比生产法GDP大()亿元。
鲁米诺在氧化反应中分子被激发而以发光形式降低能量,此过程为()。
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