Rugged construction to provide long life.
坚固的结构提供长期的生活。
Rugged construction, simple and lightweight .
坚固的结构，简单，轻便。
Ease of movement, rugged construction can withstand overload use;
便于移动，结构坚固可承受超负荷使用；
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。
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。
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