封: Ⅰ动词1.(封闭) close; seal 短语和例子查封 seal up; 密封 seal up completely; 大雪封山。 the mountains are covered over [closed up] with heavy snow.2.(封火) bank (a fire) 短语和例子炉子封了吗? have you banked up the fire?
Example Sentences:
1.
Hermetically sealed container 熔封容器
2.
Detail specification of frit - seal ceramic flat package for semiconductor integrated circuits 半导体集成电路陶瓷熔封扁平外壳详细规范