You don't need a waterproof outer layer, but it's good to have a significant degree of water resistance.
你并不需要密不透水的外套，但是它需要对水有一定的抗性。
High-density foam solid silicon rubber sealing ring, high level of dustproof and waterproof, IP65, electrical insulation protection is 1 degree.
高密度发泡实心硅胶密封圈，防尘防水等级高，灯具防护等级IP65,1级电气绝缘保。
With a resolution for 0.1 degree, this waterproof pitch meter allows for fast and accurate measurements.
此防水螺距测量仪分辨率为0.1，可快速而准确地进行测量。
At the two ends of the PC board coated with waterproof coating and appearance, so can lower transpiration humidity appearance of wood, cut wood craze degree;
在PC板材的两头和外表涂上防水涂料，这么能够下降木材外表的蒸腾湿度，削减木材开裂的程度；
High-density foam solid silicon rubber sealing ring, high level of dustproof and waterproof, IP65, electrical insulation protection is 1 degree.
高密度发泡实心硅胶密封圈，防尘防水等级高，灯具防护等级IP65,1级电气绝缘保护。
High-density foam solid silicon rubber sealing ring, high level of dustproof and waterproof, IP65, electrical insulation protection is 1 degree.
高密度发泡实心硅胶密封圈，防尘防水等级高，灯具防护等级IP65,1级电气绝缘保护。
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