发布时间:2025-01-21 12:14:19
杰克c4锁边机停针位调法
1、如果是因为跳针出现问题时,可以给它更换新的跳针。
2、假如是弯针在走动时出现了一定缝隙,这时可以把螺丝调节一下,把它们固定完整就可以。
3、接着看一下,它们的上弯针及机针的位置有没有弯曲的情况,如果有要把它们给调整一下
房子装修中发现石膏有问题但是已经做上去了是因为经销商发货错误他应该赔偿我材料和人工费吗
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