proto sample 是什么意思
在加拿大 我一个客户发的邮件，整句如下： I am attaching one of our designs for you to study and see if you could possibly develop a proto sample of this design. 我们的理解是一个粗样，就是正式生产前的一个初步打样，...华人论坛
在加拿大 我一个客户发的邮件，整句如下： I am attaching one of our designs for you to study and see if you could possibly develop a proto sample of this design. 我们的理解是一个粗样，就是正式生产前的一个初步打样，...华人论坛