The invention reduces the failure rate of the water purifier to the minimum and reduces the maintenancerequirement 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。
2
All applicants to sign a declaration that the funds they present to meet the maintenancerequirement are genuinely available for use in coming to the UK to study.
所有申请者必须签署一份声明以确认其拥有赴英学习所需要的资金。
3
They are called functional amino acids which are necessary not only to animal growth and maintenancerequirement, but also to the synthesis of bioactive molecules.