A process of comparing the actual performance of a machine with the intended performance, and the adjusting the machine to reduce and eventually eliminate the difference between the actual and intended performance is called()
A. open loop control
B. feedback
C. combining control
D. integral proce
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Please don’t change the cargo plan()will.
A. at
B. by
C. with
D. o
根据《人民币银行结算账户管理办法》的规定,发生下列事由之一的,存款人应向开户银行提出撤销银行结算账户申请的有()。
A. 解散、宣告破产或关闭的
B. 注销、被吊销营业执照的
C. 单位法定代表人被撤销
D. 因迁址需要变更开户银行的
氩弧焊时,对焊接区域所采取的保护方法是()。
A. 渣保护
B. 气—渣联合保护
C. 混合气体保护
D. 气保护