什么是 foam in bag molding system

请问一下foam in bag molding system 是什么东西，原文是这样的，use foam in bag molding system to obtain molded pieces. mold part from 0.4 density sprayed foam in place. 请帮忙全部翻译一下就更好了，谢谢大家！

there( )money in the bag. 什么是Tote bag ( )6.Tom _____bread in his bag. He put it in the the bag. What's in your school bag?和What's that in your school bag? how much about a LV bag &a Gucci bag & a CK bracelet in hongkong ? in normal ! ( )3.-What’s this in English?A. This is a bag B. It is bag. C. It’s a bag. I got a job in the bag.什么意思 You’re supposed to be in a sleeping bag. 初中选择题 I think your pen is in the bag.