题目内容
水泵在总装过程中，只要注意总体的调整，不必按照技术标准进行检查。
查看答案
搜索结果不匹配？点我反馈
更多问题
圆筒型多级泵具有内、外双层壳体，外壳体是一个圆筒形整体，节段式的内壳体与转子组成一个完整的组合体，装入外壳体内。
转子小装也称预装或试装，是多级离心泵检修不可省略的工序，是决定组装质量的关键。
Ed Zuckerberg decided to become a dentist because his parents wanted him to have a stable job.
Ed Zuckerberg was influenced by the tough-parenting manifesto and didn't allow his children to play computer games
微信支付 
支付宝支付