[技术资料] 塑料的耐燃性试验及阻燃剂种类
P:2009-06-16 02:15:26
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pay-off stand for copper rods in coils - 成圈铜杆放线架 (0) 投诉
P:2009-06-16 07:47:44
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world-class drawing technology - 世界级拉线工艺 (0) 投诉
P:2009-06-16 09:42:48
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SwRl - Scientists at Southwest Research Institute(美国)西南研究所科学家 (0) 投诉
P:2009-06-16 11:26:05
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three-quarter hard aluminium wire - 四分之三硬铝线 (0) 投诉
P:2009-06-16 11:46:57
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teredo worm - 蛀船虫<浅海温水中损坏电缆绝缘的一种虫害> (0) 投诉
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