Therefore, it's strictly stipulated that air - spraying gun must be used fors.

因此, 严格规定了棱角、拐角、边缘和角接焊缝处等部位应使用空气喷枪喷涂.

互联网

Writing down, everybody fors light when.

记着, 谁都有年轻的时候.

互联网