发布时间:2025-02-01 03:10:44
管路在做强度试验时应将管路上的阀门处于开启状态,因为阀门的阀瓣密封试验时只做到1.1倍的公称压力,超过此压力容易造成阀瓣或其密封的破坏。也就是说阀瓣不能当做强度试验用的盲板。如果要做气体打压,一般为密封试验,且应在强度试验(水介质)合格以后进行,阀门的公称压力在1.0Mpa以上时,气体低压试验(密封)一般为0.6MPa。
这电蚊拍充电模块是一体的啊我要怎么改成18650电池啊直接接在原来电池上吗
2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44我的淘宝店铺装修模板已经换了为什么别人进我店铺还是以前的模板
2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44 2025-02-01 03:10:44