化学药剂的作用必须充分考虑上面的因素。一些为水射流清洗设计的化学药品，包括一些防锈剂，不适合用于超声波清洗作业中。
The chemical formulation must consider all of the above characteristics. Some chemicals designed for spray cleaning — or that include rust inhibitors — are not suitable for ultrasonic cleaning.
并且，日常生活用强化防水手表在海水中使用后，请勿使用化学药品，以清水清洗即可。
And, daily life with the use of reinforced waterproof watch in the sea, please do not use chemicals to clean water can be.
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