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2018-12-21View Original

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判断题规则:1、两道题回答全错给予积极参与奖励 2 财富,回答一错一对给予奖励 4 财富,两道题回答全对给予奖励 6 财富 ;2、回答奖励每人限一次;3、每个回复限管理评分一次;4、回复后可见答案及答案解释;5、奖励在48小时内有效。 学*又拿奖,天天来逛逛 1、一般离心泵出厂试验项目包括 性能试验、振动试验和温升试验 三大方面( ) 2、泵的工作压力以泵壳体静水压试验压力为限,最高工作压力不得超过泵壳体的静水压试验压力 ( ) 答案:错误、错误 1、离心泵出厂试验项目一般包括性能试验(流量、扬程、效率、轴功率)、汽蚀试验(汽蚀余量)和运转试验(温升、振动、噪音、泄漏、可靠性等)

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