The purposes of winterprotection, dust prevention, and pollution of harmful gas prevention are achieved.
从而达到了防寒、防尘、防有害气体污染的目的。
2
Dual EPDM tape utilizes the theory of pressure balance to realize dry-type sealing with excellent performance of heat insulation, winterprotection and sound insulation.
双道三元乙丙胶条，利用压力平衡原理实现干式密封。隔热、防寒、隔音性能优异。
3
Lawrence Hajna, spokesman for the state Department of Environmental Protection, said officials expect the bear to make it through next winter.