There's also no need to perform any regular maintenance.
没有必要执行任何日常的维护。
They cost no time, they are unbreakable, and they do not need any maintenance.
这部分代码不占用运行时间、不会被破解攻击、不需要任何维护。
Hardware accessories are generally in no need of special care maintenance.
五金配件保养一般不需要特别护理，维修。
But no matter how careful the maintenance, all vehicles need to be repaired sometimes.
不过，不管多么小心地保养，所有的车子有时候都必须修理。
Maintenance free operation, no need to add water, no equalizing charge required.
设计简洁，免维护，无需补水，不需均衡充电。
But no matter how careful the maintenance, all vehicles need to be repaired sometimes.
不外，不论多么鉴戒地保养，全部的车子偶尔候都必需修理。
No need to replace the packing or the packing is entirely maintenance-free.
无须更换盘根或填料，完全免维护。
No need to replace the packing or the packing is entirely maintenance-free.
无须更换盘根或填料，完全免维护。
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