测试架石英管，以及石英外管，石英活塞顶杆。
The 10 test frame quartz tube, quartz tube, quartz rod, piston top.
活塞顶坏了。
如有必要，延长百分表的探针，直到可以明确测量活塞顶为止。
If necessary extend the probe of the dial gauge until you can definitely take measurements on the piston crown.
本文应用有限元法和光弹性试验对活塞顶的裂纹进行断裂力学分析。
This paper studies the fracture mechanics of piston crown crack by means of finite element method and photoelastic method.
实际运行结果在明，激光淬火是提高大型柴油机活塞顶使用寿命的有效途径。
Practical results show that wear resistance of the groove surface is improved remarkably by laser quenching. It is an effective way to prolong the service life of the piston head.
为了减少散热，在活塞顶、缸盖喷涂了氧化镐涂层，同时在副燃室设计了空气缝隙。
The oxide-coated zirconium of the chambers at the piston and cylinder head, the design of air gap on the auxiliary chamber are applied to lower heat rejection.
燃烧室由位于活塞顶的主燃室，位于气缸盖上的副燃室和连通主副燃烧室的通道组成。
The combustion chamber consists of the main combustion chamber on the top of the piston, the auxiliary combustion chamber in the cylinder head and the passage between the main and auxiliary Chambers.
通过对机车柴油机超压现象的原因分析，得出导致柴油机超压的原因有：活塞顶裂纹、活塞气环折断、气缸套磨损。
The cause of over-pressure in Diesel Engine includes fracture on piston, fracture of piston rings and cylinder wear.
请注意，压缩比上述反映膨胀率，这是燃烧室的量的比例时，活塞的下死顶死中心，中心会显示。
Note that the compression ratios shown above reflect the expansion ratio, which is the ratio of the combustion chamber volumes when the piston is at Bottom dead centre and Top dead centre.
另一种顶棒可以直接和液压缸活塞偶合所以可以实现顶料系统的向前和向后运动。
Alternatively the ejector rod may be coupled directly to the hydraulic ram so that forward and rearward movement of the ejection System may be achieved.
介绍TDJ2006分体活塞减速顶的研制及试验过程，详述了该顶的具体结构设计。
This article discusses the development and experimentation of TDJ2006 separate - piston retarder, analyses the development of structure and special feature in details.
针对大型活塞式压缩机部分行程顶开进气阀调节装置，分析施力压叉产生疲劳断裂失效的原因。
The fatigue rupture failure cause of the executing fork was analyzed for press off inlet valve of a piston compressor.
在该三根导杆的上端固定连接有所述顶横梁；在该三根导杆的下端则固定连接有所述活塞；
The three guide rods are set parallel mutually between the top cross beam and the lower piston and distributed in an equilateral triangle.
顶开进气阀进行气量调节是活塞式压缩机气量调节方法中的一种，它具有经济、可靠、结构简单及安装方便等特点。
Pressing-off inlet valve is one of the methods of air-regulating for reciprocating compressor, and it possesses economic , safe and well-fixing character.
在内燃机中组合式活塞结构应用广泛，例如钢顶铝裙活塞、内外组合活塞等。
Composite pistons of various types are widely used in internal combustion engines, such as steel crown and aluminium skirt type, inner and outer pistons type, and so on.
探讨了用超声波技术对运用机车柴油机钢顶铝裙活塞裙部裂损进行提前预防的措施和方法。
The precautionary measures to prevent skirt from fracturing, by means of ultrasonic flaw detection technology, are discussed.
包括气门顶开器、气门杆、活塞环、气缸壁在内的发动机元件受严格的生锈条件所影响，尤其在冬季停停走走驾驶档。
Engine components including valve lifters, valve stems, rings, cylinder wall, etc., are subjected to server rust-promoting conditions. Particularly in winter stop-and-go driving.
液压千斤顶的检修注意事项有哪些？液压千斤顶均为双作用活塞式。
Which do hydraulic jack's overhaul matters needing attention have? The hydraulic jack is the double-acting plunger type.
本文以机车柴油机钢顶铝裙组合活塞为对象，建立组合活塞钢顶铝裙连接螺栓-活塞销的四体接触计算模型。
This paper introduced a four-body contact model of steel crown-the nodular cast-iron skirt-piston pin-connecting bolt for the steel-crown aluminum-skirt composite piston of locomotive diesel engines.
一种铁路全液压制动顶，由滑动油缸，活塞杆组件，及外壳组成。
The invented stopper is composed of slide oil cylinder, piston rod units and outer housing.
一种铁路全液压制动顶，由滑动油缸，活塞杆组件，及外壳组成。
The invented stopper is composed of slide oil cylinder, piston rod units and outer housing.
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