engineer change request notice原件: script; original; original c ...规格: specifications; norms; stand ...更改: change; alter; alteration通知: notice; circular元件规格更改通知: ecrn下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:原件规格更改通知，即可在微信中查询翻译
