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["【일일 문제】이론적 기초2", "객관식 문제: 펌프에서 가장常用的调节方法是(�� )� A AA.. 吸入管管中阀门开度的改变 B............A 压出管路中阀门开度的改变 C.回流支路的安置,循环量大小的改变 D.离心泵叶轮的车削 �답筈:B 提示:답안을 확인하려면 다시 보세요",,"B..A 压出管路中阀门开度的改变","BA.A.. 压出管路中阀门开度的改变","BA.AA..........A 压出管路中阀门开度的改变","BA.AA...A..A 压出管路中阀门开度的改变"]

2019-07-29View Original

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选择题:离心泵最常用的调节方法是(  )  A.改变吸入管路中阀门开度 B.改变压出管路中阀门的开度 C.安置回流支路,改变循环量的大小 D.车削离心泵的叶轮 答案:B 提示:答案回复可见
Reply #22019-07-29
B.改变压出管路中阀门的开度
Reply #32019-07-29
B.改变压出管路中阀门的开度
Reply #42019-07-29
B.改变压出管路中阀门的开度
Reply #52019-07-29
B.改变压出管路中阀门的开度

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