The flotation logs are completely enclosed in a vinyl coated fabric which is heat sealed to provide a watertight flotation compartment and greater strength.

浮力原木完全密封在乙烯胶布中，采用热封，提供防水浮力小室和更高的强度。

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Thus the nozzle attachment is always positioned with a defined force on the lower web that is to be heat sealed, resulting in a seam of consistently high quality.

由此，喷嘴附件一直以确定的力靠置于在下面待焊接的膜上，而能够产生稳定的、良好的接缝质量。

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Cooperman suggested that products be stored in sealed containers out of heat, light and humidity.

库珀曼建议将益生菌产品保存在密封容器中并且隔热、避光、防潮。

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Air is injected into the bubble rows by a squeaky pneumatic pump, then the sheets are heat-sealed on one edge.

FORBES: Magazine Article

It was as if the heat of the kitchen had melted and sealed it.

NEWYORKER: Ghosts

Once the home has been duly sealed, the flow of air, moisture and heat in and out of it can be carefully controlled.

ECONOMIST: Green homes