摘要:
Tray usually refers to a JEDEC standard matrix tray measuring 12.7x5.35 inches and either 0.25 or 0.40 inches tall. Trays are usually constructed from 阅读全文
posted @ 2018-02-28 13:23
keep1
阅读(277)
评论(0)
推荐(0)
浙公网安备 33010602011771号