Generally a watch waterproof ring, only three years or so, so every three years to change a watch waterproof ring.
一般一个手表防水圈，只能用三年左右，因此，每隔三年要换一次手表的防水圈。
Generally a watch waterproof ring, can only be used for about three years, therefore, every three years to change a waterproof watch.
一般一个手表防水圈，只能用三年左右，因此，每隔三年要换一次手表的防水圈。
The special sealing ring and the embedded compression method have good waterproof and dust prevention effect.
特制的密封圈及嵌压方式，有良好的防水防尘效果。
Flange structure, double sealing rubber ring, so anti-corrosion, waterproof performance.
法兰式结构，双层密封胶圈，故防腐、防水性能好。
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。
Taking Shanghai Middle Ring Road project as example, the principle and effect of D-125 as a waterproof agent are described.
并以上海中环线工程为例，介绍了D-125有机硅浸渍防水剂的防水原理和防水效果。
If you have a bath with a watch that is used to waterproof rubber ring of the watch is affected by the erosion of chemicals, cleaning agents will speed up the effect of aging, waterproof is dead.
如果带着手表洗澡，用于手表的防水胶圈受到清洁剂等化学品的侵蚀将加速老化，防水的作用也就失效了。
Our high-impact structural co-polymer cases are waterproof with an O-ring seal and purge valve.
我们采用的是具备高冲击性结构的共聚物，采用O型弹簧垫圈密封和清洗阀防水设施。
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。
The cover is formed by covering an airtight waterproof film on a frame. The lower edge of the cover is provided with a sealing ring which can prevent the external leakage of hot gas.
用不透气不透水的薄膜材料覆盖在一个框架上形成罩子，罩子下边有密封环，可以阻止热气外泄。
The cover is formed by covering an airtight waterproof film on a frame. The lower edge of the cover is provided with a sealing ring which can prevent the external leakage of hot gas.
用不透气不透水的薄膜材料覆盖在一个框架上形成罩子，罩子下边有密封环，可以阻止热气外泄。
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