试题与答案

JZ-7型空气制动机分配阀的(),当列车管减压量大或降压至零时,能使降压风缸空气压力

题型:单项选择题

题目:

JZ-7型空气制动机分配阀的(),当列车管减压量大或降压至零时,能使降压风缸空气压力保持在280~340kPa之间。

A、充气阀

B、一次缓解逆流止回阀

C、转换盖板

D、保持阀

答案:

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参考答案:C,D解析:《担保法》第68条规定:"质权人有权收取质物所生的孳息。质押合同另有约定的,按照约定。"但质权人在质押期间收取孳息,并非取得孳息所有权,而是将孳息作为质押标的,故A项错误,不能选。《...

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