They can mould or ferment rapidly once the container is opened, in the case of aluminum cans, and glass or plastic bottles which have less perfect seals should be viewed as unsafe even before opening.
2
研究将磁力传动技术应用于玻璃容器的真空搅拌以取代传统的搅拌塞密封。
The magnetic drive application in glass containers instead of traditional seal has been studied.
3
安瓿小的玻璃容器，装满后密封，主要用于贮放皮下。
A small glass vial that is sealed after filling and used chiefly as a container for a hypodermic injection solution.
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