发布时间:2025-01-28 00:36:05
这个不光考虑火耗,还要加上锻造余量的,一般厚度加20.直径加30,你这个这么小估计单边加上5,6个就行了所以就是70*70*30/0.99/40*40=L(下料长度)。你这个工件小,就考虑了1%的火耗,我这一般第一火是1.2%在每多一火次,就再加1%。希望对你有帮助。
装修打烂了主排污管换了一截管子后接口上方还有渗水请大神帮忙看看是什么问题上面没密封圈有没问题
2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05九州平台式个专门黑钱的地方大家千万别再去九州玩啊我今天嘿了800
2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05数字万用表如何检测7w节能灯电子镇流器好坏特别介绍一下如何检测二级和三级管元件我在学这个维修
2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05 2025-01-28 00:36:05