1) lead pellet
铅粒填封
2) lead sealing
铅封
1.
According to the importance of administration in lead sealing of electric energy measurement and its enormous quantities,this paper introduced the exploitation and design of Management Information System(MIS) of lead sealing.
针对电能计量铅封管理的重要性和数量巨大的特点,介绍了铅封MIS系统的开发、设计。
4) lead cover
铅盖;铅封
6) lead seal pack off
铅封封隔
补充资料：铅粒
1.指铅字。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条