Use sealed structure, with the functions of strong water-proof and dust-proof.
整体结构采用密封结构，具有较强的防水，防尘能力。
Original shaft with floating ring seal forms a sealed structure, sealed and is less stable.
原泵轴封采用浮动环形式的密封结构，密封稳定性较差。
The lamp adopts curve sealed structure, with performances of strong waterproof and dust proof.
灯具采用曲路式密封结构，具有较强的防水、防尘性能。
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