I think I need to change the vacuum bag.

我想我需要换一个吸尘袋了。

Don't forget to empty the vacuum bag and dispose of it in the outside trash.

不要忘记空袋的真空和处置在外面垃圾桶。

The main products are: wooden box, card board, vacuum bag etc. packaging products.

主要产品有：木箱、卡板、真空袋等系列包装产品。

Abstr: Purpose: To study the effect of vacuum bag and thermoplastic sheet on skin dose in radiotherapy.

文章摘要： 目的：探讨放射治疗中真空袋和热塑面膜对皮肤剂量的影响及其特点。

Vacuum bag and body frame were used. CT simulation location and three dimensional treatment plan were used.

采用真空袋及体部定位架，CT模拟机定位和三维治疗计划。