溶解乙炔气瓶填料用原材料,填料前可以不复验,但制造厂必须制定严格的填料配制,蒸压和烘 发布时间:2017-07-21 23:47 │ 来源:www.tikuol.com 题型:判断题 问题: 溶解乙炔气瓶填料用原材料,填料前可以不复验,但制造厂必须制定严格的填料配制,蒸压和烘干工艺操作规程。
题型:判断题 根据介绍,完成下面的身份证。This is Jim. His family name is Green. His phone number is 2450888.FIRST NAME_______1______________LAST NAME_______2______________TELEPHONE NUMBER______3_______________ 查看答案