此法简单经济，对表的精度和寿命均无任何损害。
This method is simple and economical, and the accuracy of table no damage to life.
这种方法简单和经济，在精度和寿命无任何损害。
This method is simple and economic, the accuracy and life without any damage.
这种方法简单和经济，在精度和寿命无任何损害。
This method is simple and economic, the accuracy and life without any damage.
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