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["每日 un题一题 泵设备】remplpl填空题】", "本帖最后由 3

2019-04-22View Original

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本帖最后由 3983596_FPPZ 于 2019-4-22 08:54 编辑 bk12.jpg 填空题规则: 1、两个题回答全错给予积极参与+2财富,回答一错一对给予+5财富,回答全对给予+8财富。2、如只回复一个答案,除非明确了是哪道题的答案,正确+5财富,错误+2财富,否则一律按积极参与+2财富执行。3、回答奖励每人限一次。4、每个回复限评分一人次。5、回复后可见答案及答案解释。6、奖励在48小时内有效,逾期不予奖励。 学*又拿奖,天天来逛逛 1、一活接头的内螺纹孔M22x1.5中需设置一密封垫片,则此密封垫片的大外圆直径应约为( )mm; 2、在齿轮泵、隔膜泵、柱塞泵、螺杆泵,这四种容积泵中,哪种泵产生的压差最大( )。 20;柱塞泵
Reply #22019-04-22
1、20.35,2、柱塞泵
Reply #32019-04-22
1、一活接头的内螺纹孔M22x1.5中需设置一密封垫片,则此密封垫片的大外圆直径应约为( 20 )mm; 2、在齿轮泵、隔膜泵、柱塞泵、螺杆泵,这四种容积泵中,哪种泵产生的压差最大( 柱塞泵 )。
Reply #42019-04-22
1、19mm;2、柱塞泵。

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