优良的结构和密封设计，灯具防护等级IP65，确保灯具可在各种恶劣环境中长期可靠工作。
Excellent structure and sealing design, lighting protection class IP65, to ensure that the lamps can be in a variety of harsh environment, long-term reliable work.
这种双向刀闸阀在阀门压力等级下，任何方向均可实现气泡级密封关闭功能。
The Bi-Directional Knife Gate Valve provides bubble tight shutoff in both directions up to full rating of the valve.
执行机构采用全密封防水设计防护等级高。
Actuator design with fully sealed waterproof high degree of protection.
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