The envelope was firmly sealed.
这个信封封得很严实。
The envelope was firmly sealed.
这信封封得很牢。
The door was firmly fastened and sealed with plaster, as well as the window looking out upon the street.
房门闩得牢牢的，并用灰泥封起来。临街的窗也是如此。
It could be firmly hot sealed and strongly laminated between different layers of material; four cornered solid construction make it also has good function of resistance of the water and oxygen .
此产品具有防静电功能好、抽真空效果佳、透明度高、透（氧）气率低、防潮性能好、抗拉强度与耐穿刺强度高、易热封、密封性好、不易老化等特点。
It could be firmly hot sealed and strongly laminated between different layers of material; four cornered solid construction make it also has good function of resistance of the water and oxygen .
此产品具有防静电功能好、抽真空效果佳、透明度高、透（氧）气率低、防潮性能好、抗拉强度与耐穿刺强度高、易热封、密封性好、不易老化等特点。
应用推荐