The cleaning tube comprises an outer tube and an internal valve.
该冲洗管包括外管和内阀。
Internal valve trim is designed to ensure long service life and avoid unnecessary maintenance.
内部装饰阀的设计，以确保使用寿命长，避免不必要的维修。
This will tend to preserve the internal valve, avoiding disruption of the dorsal aesthetic lines, and inverted V deformity, and airway compromise.
这样做可以保持内鼻阀，避免鼻背美学曲线的中断，预防倒V畸形出现和气道完整性破坏。
So less water means lower pressure. It does this by opening an internal valve based on the system pressure and the spring tension set on the valve.
通过固定孔的水量越多，压力就越大，反之水量少压力也小。
The valve failing closed could be due to an internal blockage or failure.
阀门无法关闭的原因可能是内部堵塞或故障。
A test and pressure relief valve should be installed to assure relief of internal pressure prior to servicing and as a visual indication of trap operation.
应该安装一个测试和压力安全阀，确保内部压力能够在维修前得到释放，并作为疏水阀工作的直观显示。
Adjustment of this union nut can compensate for wear of TFE seats, with no production loss to remove valve for internal adjustment.
这种管接螺母的调整能够弥补TFE阀座的磨损，避免由于拆卸阀门进行内部调整作带来的损失。
According to connection method classification (1) threaded connection valves: valve with internal thread or external thread, and pipe thread connection.
按连接方法分类(1)螺纹连接阀门：阀体带有内螺纹或外螺纹，与管道螺纹连接。
After a considerable period of time, oil, gas and other PCV valves in its internal deposition, PCV into clay colloid valve jam, thereby improving the crankcase internal gas pressure.
天长日久，机油、汽油及其它浓缩物在PCV阀内部沉积成油泥胶体，造成PC V阀堵塞，从而提高了曲轴箱内部的气体压力。
Valve body and internal parts: anodized aluminum alloy, copper.
阀体和内部零件：阳极电镀铝合金、铜。加固端盖：塑料。
An internal steam bypass controlled by a manual metering valve causes this increased velocity.
而这种增速是由手动计量阀控制的内部蒸汽旁路产生的。
High viscosity pump can match the relief valve, when the pump and piping system overpressure, safety valve is opened, the formation of internal reflux, ensure the safety of the system.
高粘度泵可配安全阀，当泵或管路系统超压时，安全阀门打开，形成内部回流，保证系统安全。
Valve body and internal parts: anodized aluminum alloy, copper. Reinforcement Cover: Plastic.
阀体和内部零件：阳极电镀铝合金、铜。加固端盖：塑料。
The cut-off valve type, the internal leakage is not allowed.
对于截断阀类来说，内漏是不允许的。
When deviation occurs anteriorly and inferiorly (that is, in the area of the internal nasal valve), it is more likely to be a source of obstruction.
而当鼻中隔偏曲出现得较为靠前靠下时(即内鼻阀部位)，它可能会成为鼻阻塞出现的原因之一。
Precipitation of, at the same time, USES the special relief valve to keep the battery internal pressure.
的析出，同时，采用特制安全阀使电池保持一定的内压。
Using parametric design way, water hydraulic axial piston pump's main internal parts include piston, slipper and valve plate were designed, which improves the design efficiency and quality.
运用参数化设计手段，对纯水液压轴向柱塞泵的主要部件包括柱塞、滑靴、配流盘等进行了设计。提高了设计效率和设计质量。
To metal seal is provided to effectively prevent both internal and external leakage of the valve.
对金属辅助密封结构，有效地控制阀门的内漏和外漏。
The patients in therapeutic group were performed with valve constriction . The patients in control group were performed with internal valvuloplasty .
治疗组病人住院期间行瓣膜环缩术，对照组病人住院期间行血管内瓣膜成形术。
It was very difficult for high cr cast Fe hollow ball valve in investment casting due to its internal hollow and full close as well as high crack susceptibility.
高铬铸铁空心球阀的精密铸造难度较大，球阀内部必须空心、全封闭，同时高铬铸铁的裂纹敏感性极强。
Further, the apparatus comprises a control means for simultaneously controlling the channel valve and the internal pressure of the second chamber.
设备进一步地包括用于同时控制通道阀和第二室的内部压力的控制装置。
Material and medium valve internal contact parts are made of structural ceramic materials, to avoid direct contact with the media, and produce corrosion may.
阀门内部材质与介质接触部分均采用结构陶瓷材料，避免与介质直接接触，而产生腐蚀的可能。
At the same time the control means for simultaneously controlling the channel valve and the internal pressure of the second chamber provides means for very efficient operation of the apparatus.
同时，用于同时控制通道阀和第二室的内部压力的控制装置提供了用于非常有效地操作设备的装置。
Internal exhaust valve increases down stroke speed.
内部排气阀增加下冲速度。
The internal plug-type metering valve is an integral part of the steam separator and is completely steam-jacketed to prevent condensation through radiation.
内置式柱塞定量阀是汽―水分离室整体的一部分，完全被蒸汽包围，从而避免了因热辐射造成的冷凝。
The internal plug-type metering valve is an integral part of the steam separator and is completely steam-jacketed to prevent condensation through radiation.
内置式柱塞定量阀是汽―水分离室整体的一部分，完全被蒸汽包围，从而避免了因热辐射造成的冷凝。
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