The association packing of the double sealed ring, has prevented outside from letting out.
双重密封环的组合填料，避免了外泄漏。
The rugged construction is double-sealed to prevent water and dust ingress even during site wiring.
坚固的建筑是双重密封，以防止水和灰尘进入即使在现场布线。
Double safety sealed, with outer shrink wrap film and inner bottle freshness seal.
双安全密封，收缩包装膜外及内瓶新鲜印章。
Double safety sealed, with outer shrink wrap film and inner bottle freshness seal.
双安全密封，收缩包装膜外及内瓶新鲜印章。
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