These machines have few breakdowns and are easy to maintain because of their simple mechanical structure.
这些机器由于机械的构造简单，所以很少故障，易于保养养。
Single mechanical seal : simple in structure, good sealing performance, long life, easy to maintain (meet the criterion of ISO3069).
单端面机械密封：结构简单，密封性能好，使用寿命长，维护方便（符合ISO3069 标准）。
The mechanical parking equipment with double-decked elevator and double berth roller deposit table is reasonable and simple in structure, and high in efficiency.
双层搬运器双车位滚道存放型机械式停车设备结构简单合理，存取车运行效率高。
This purely mechanical transmission, drive with high efficiency, simple structure, and other advantages, but there is inevitable shift of power interruption.
这种纯机械传动，具有传动效率高，结构简单等优点，但是换档过程不可避免存在动力中断。
Mechanical shield spray has good effect in reducing spray drift with low cost, simple structure. The structure is the key point.
机械式罩盖喷雾是一种结构简单、价格便宜和减少雾滴飘失效果好的喷雾方法，其中罩盖结构起着关键的作用。
Without keeping annulus pressure to static and instead of special metering by simple mechanical pressure ba lance structure, this valve is conducted by annulus pressure.
该阀采用环空外压操作测试阀的开关，不需要保压，而且采用简单的机械压力平衡机构代替了专用计量套。
High Reliability: The seal contains a simple, permanent magnetic structure and a non-wearing magnetic fluid. The only parts subject to mechanical wear are self-contained ball bearings.
良好可靠性：密封圈由永磁结构和稳定的磁性流体组成，所以机械磨损仅发生在轴承上。
The invention can ensure that the signal is accurately controlled by the singlechip, and has simple and stable mechanical structure and reasonable circuit design.
本发明方通过单片机可以使信号得到精确控制，机械结构简单稳定，电路设计合理。
The utility model has the advantages of simple structure, low cost and convenient operation. The multi-functional dibbler for agriculture is a comparatively ideal agricultural small-size mechanical.
该点播器结构简单，制造成本低廉，使用方便，是一种比较理想的农用小型机械。
Features: It adopts mechanical structure, smooth and fast operation, high efficiency, low noise, simple structure, convenient operation and maintenance and less fault.
本机特点：采用机械结构，运转平稳，速度快，效果好，噪音低，结构简单，操作及维修方便，故障率低。
Combination of electric pump-controlled mechanical structure even more than the traditional mechanical-line pump is simple, less the number of parts is expected to achieve higher reliability.
电控组合泵的机械结构甚至比传统的机械直列泵简单，零件数目少，可望达到较高的可靠性。
The mechanical structure and controlling system of the mobile mechanism are simple. Besides, the cost is also considerable.
实验还表明该移动机构的结构和控制都比较简单，且成本较低。
A micron electro-mechanical system was designed by using simple and cheap structure. The system can be used to measure the internal stress of concrete on the condition of being constrained.
该文利用简单廉价的机电结构实现了微米级的机电一体化系统的设计，该系统可用于在约束条件下测量混凝土的内应力。
The vertical mechanical mixing and scraping device is adopted, with reasonable structure, simple installation and convenient operation.
机械部份采用立式搅刮装置，结构合理，安装简单、操作方便。
Micro 3D structure machining with simple shaped electrode can't generally apply the method of common mechanical milling for the reason of electrode wear, Machining conditions and etc.
针对三维金属微细结构的微细电火花加工，应用等损耗理论，采用分层加工的方法，建立了单道加工时底面形状随电极损耗而变化的轮廓模型。
Micro 3D structure machining with simple shaped electrode can't generally apply the method of common mechanical milling for the reason of electrode wear, Machining conditions and etc.
针对三维金属微细结构的微细电火花加工，应用等损耗理论，采用分层加工的方法，建立了单道加工时底面形状随电极损耗而变化的轮廓模型。
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