They are difficult to maintain and thus need more operating costs.
他们很难维持,因此需要更多的运营成本。
Unfortunately, that may be too much to ask from those who seek to maintain and control the art establishment.
不幸的是，对于那些努力维持和管理艺术机构的人来说，这可能要求得太多了。
EGL is easy to maintain and very well structured.
EGL很容易维护，结构非常良好。
It had become a nightmare to maintain and upgrade.
想要对它进行维护或升级简直是个噩梦。
A clean code would be easier to maintain and enhance.
清晰的代码更易于维护和改善。
To maintain and manage the Database.
维护和管理数据库。
Easy to maintain and expand the test.
易于维护和扩展测试能力。
Easy to install, use, maintain and move.
安装，使用，维修和移动方便。
To maintain and update room history records.
保持和更新房况记录。
Simple structure, easy to maintain and repair.
结构简单，容易维修保养。
Modular body design, easy to maintain and update.
机体功能区模块化设计，方便维护及更新。
Then, what should we do to maintain and enhance our health?
那么，我们应该怎样维护和保养健康呢？
Good performance, easy to use, easy to maintain and repair.
性能好，使用简便，维修方便。
If we value our freedom, we can act to maintain and defend it.
如果我们尊重自由，我们用行动坚持和捍卫它。
Should have the skills to maintain and repair boiler and pipe.
有保养和维修锅炉和管道的能力。
It can maintain and increase the level of organic matter in soil.
能维持和提高土壤肥力和有机质含量。
First, we could continue to try to maintain and extend the current system.
首先，我们可以继续尝试维护并扩展当前的系统。
To each other sincerely to maintain and manage love will not degenerate.
要彼此都真诚地去维系与经营爱情才不会变质。
This system adopts modularized hardware and is easy to maintain and extend.
该系统硬件模块化，易于维护和扩展。
To maintain and update information recorded on Planning and Schedule Boards.
保持和更新“计划和日程公告板”上的信息。
You agree to properly maintain and comply with the rules governing Your Account.
您同意正确地维护您的帐户并遵守管辖您的帐户的规则。
Fish oil helps to maintain and support a healthy heart and cardiovascular system.
鱼油有助于维护和支持一个健康的心脏和心血管系统。
Simple structure to deal with large, easy to operate, easy to maintain and so on.
具有结构简单、处理量大、操作方便、易于维护等优点。
The ability to build, maintain and nurture long-term relationships with customers.
与客户建立、维持并培养长期良好关系的能力。
This system, which has stable reliable performance, is easy to maintain and extend.
该系统易于维护和扩展，实际操作简单方便，运行稳定可靠。
The biggest drawback with this design is that it is difficult to maintain and extend.
这种设计最大的障碍是它难以维护和扩展。
Industry reputation management aims to create, maintain and raise industry reputation.
行业声誉管理是对行业声誉的创建、维护和发扬。
Electric heat tracing is economical, reliable and easy to construct, maintain and control.
电伴热既经济可靠，又方便施工、维护和控制。
Electric heat tracing is economical, reliable and easy to construct, maintain and control.
电伴热既经济可靠，又方便施工、维护和控制。
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