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- easy maintenance and operation 操作维修方便
- Summarize, analyse and report on maintenance and operation of equipments. 统计、分析并报告设备维护运行情况。
- Both results of the experiment and simulation show upflow rough filtration holds the characteristics of simple operation, easy maintenance and stable performance. 试验及模拟结果均表明：此上向流粗滤操作维护简单，运行稳定。
- Simple operation and easy maintenance. 操作简单，保养容易。
- External bearing built outside the main body for easy maintenance and optimum heat abstraction. 轴承安装在机体外部,粉尘或水不易侵入,散热良好,保养及维修简便易行。
- This model gear uses immersional lubricant with easy maintenance and long using life. 本机型之齿轮采浸油式润滑油,保养容易,使用寿命长。
- Series of Arbor Presses are characterized by flexible operation. convenient adjustment ,easy maintenance and no need for power supply. 手扳机系列产品使用小巧灵活，调距方便，保养维修简单，不用电源。
- High efficiency, energy saving, low noise, vibration, high starting torque, high reliability, security, easy maintenance and so on. 具有效率高、节能、噪声低、震动小、起动转矩高、可靠性高、安全维护方便等特点。
- This series of single toggle jaw crusher makers a feature of great crushing ratio, uniform sizes of promance, easy maintenance and less operating cost. 本系列产品，具有破碎比大、产品料度均匀、结构简单、工作可靠、维修简单、运营费用经济等特点。
- Automatic operation provides water usage savings over other flushing devices. Reduces maintenance and operation costs. 全自动运行使得水的消耗比其它种类的冲洗设备低得多。也降低了保养维护和运行费用。
- Fundamentally, adopting OOCSS is making a mental shift towards easy maintenance and reuse of your styles, even if it means writing extra HTML markup. 从根本上讲，采用OOCSS正在朝着易于维护和重用你的风格转变，即使这意味着额外的HTML标记文字。
- Leaguer will also provide the services such as technical support, system maintenance and operation support etc. 并提供技术支持、系统维护、运营支持等服务。
- This series of single toggle jaw crusher makers a feature of great crushing ratio,uniform sizes of promance,easy maintenance and less operating cost. 本系列产品，具有破碎比大、产品粒度均匀、结构简单、工作可靠、维修简便、运营费用经济等特点。
- Trans-Pacific submarine cable transmission system of production, maintenance and operation of a worldwide problem. 跨洋海底光缆传输系统的生产、维护和运行是一个世界性难题。
- Adopting advanced chemic way of ratproofing ,mouseproof or termiteproof cable have many virtue ,such as easy machining \construction 、easy maintenance and light weight etc. 采用先进的化学防鼠防白蚁方法，具有易加工、易施工、易维护、重量轻等优点。
- Swing Bolts ? facilitate easier maintenance and packing replacement. 旋启式螺栓-使得维护和填料更换更加简便易行。
- The conditions and contents of the new inspection,maintenance and operation code for coupler draft gears in the Russian Federal Railway are described. 介绍俄罗斯联邦铁路采用新的车钩缓冲装置的检修和运用规程的情况及规程的内容。
- At the same time, the thesis revealed how to develop distributed B/S mode application based on COM+ component which is security, high-power, easy maintenance and easy deploying. 解决如何开发安全、高效、易维护、易于部署的基于COM+组件的B/S模式的分布式应用程序软件系统。
- B.The circuit control and protection is strictly in accordance with that of SIEMENS. The characteristics are mature and reliable technologt,easy maintenance and less faults. 采用西门子原线路控制与保护，最大的特点成熟可靠、维修方便故障少。
