minimum maintenance requirement
最低维护要求
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The invention reduces the failure rate of the water purifier to the minimum and reduces the maintenance requirement to the minimum.
本发明将净水器的故障率降至最低，维护要求降至最低。
youdao
The Bluebird accounts will have no minimum balance requirement and no monthly maintenance, annual or activation fee.
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