[退火工序] 罐式退火铜线变色的原因及改进
P:2009-08-30 09:13:35
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flat sided cable drum - 扁边电缆盘 (0) 投诉
P:2009-08-30 13:51:24
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preparation of a compound - 混料配制 (0) 投诉
P:2009-08-30 14:14:22
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大家给个意见嘛,谢谢
stress-strain loop - 应力-应变环路 (0) 投诉
P:2009-09-01 16:59:04
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w什么意思????
push-up block - 立式推线拉丝鼓轮,立式推线拉丝滚筒 (0) 投诉
P:2009-09-07 22:27:17
5
welding wire - 焊丝,焊条 (0) 投诉
5