Bulk sealing的用法和樣例：
例句
- In the clip claws pressure of polyvingl at the same time, rapidly melted polythene, completed the sealing.
在夾爪壓力的作用下聚乙烯同時(shí)迅速冷卻，使融化的聚乙烯固化，完成了封合。 - This machine is suitable for bottom sealing and cutting in producing all kinds of film composite bags.
該機適用于生產(chǎn)各種薄膜復合袋的底部封合及截切。
