主板上的很多地方都有金：IDE连接器、PCI Express卡槽、AGP、ISA、其他的一些端口、跳针、处理器插座和DIMM（老式主板是SIMM）卡槽。
Gold is found in numerous places on a motherboard: IDE connectors, PCI Express slot, PCI, AGP, ISA, and other ports, jumper pins, the processor socket, and DIMM (SIMM on older motherboards) slots.
合理增加中压脚机构，在缝制中不会出现跳针现象，减少在缝制各种花型中换压脚的麻烦。
Add appropriate structure to the middle presser avoiding needle jumping as well as the trouble to chang presser during sewing different kinds of patterns.
本文对GC1—3型工业平缝机跳针故障进行了全面分析，并提出了故障排除的方法。
This paper mainly illustractes the"sewing jump"trouble for the GC1 -3 sewing machine and introduces some methods for Killing sucha trouble.
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