Bearings for the rolls are double-row ball bearings, which are convenient for maintenance and have longer service life.
辊筒采用双列调心滚动轴承支撑，维修方便，使用寿命长。
The effects of double-row concave ridge and film mulching on phosphorus content in flue-cured tobacco leaves and soils were studied by field and laboratory experiments.
采用田间试验与室内分析相结合的方法，探讨了烤烟地膜覆盖与双行凹型垄结合对烤烟及土壤磷素含量的影响。
Furthermore, experiments show that the adoption of double-row cascade diffusers in centrifugal compressors will improve its performance and widen its stable operating range.
此外，通过试验证明：在离心压气机上采用双列叶栅扩压器，可以改善压气机性能，扩大压气机的稳定工作范围。
Crankshaft bearings are double-row spherical roller bearings.
曲轴轴承为双列球面滚柱轴承。
Rotor shafts are supported on double-row radial spherical roller bearing.
转子轴支承为双列调心滚子轴承。
This invention relates to a double-row seat-type tray and its making method.
一种双排座式托盘及其制造方法。
Shedding device: cam shedding mechanism, four pieces of double-row heald frame.
开口装置：采用凸轮开口机构，四片双列综框。
The front lock cylinder is provided with double-row pin tumblers with V-shaped grooves symmetrically along the axis.
前锁芯上沿轴线对称设有带V形凹槽的双排弹子；
This machine V-3/7 is of V model, double-row, double-step, water cooling, fixed reciprocating piston type air compressor.
本机型为V型、两列、两级、水冷的固定式往复活塞空气压缩机。
This machine V-6/7 is of V model, double-row, double-step, water cooling, fixed reciprocating piston type air compressor.
本机型为V型两列、两级、水冷的固定式往复活塞空气压缩机。
This machine VF-6/7 is of V model, double-row, double-step, wind cooling, fixed reciprocating piston type air compressor.
本机型为V型、两列、两级、风冷的固定式往复活塞空气压缩机。
Aerospace - Airframe spherical roller bearings, double-row, self-aligning, sealed, extended inner ring, heavy duty - Inch series.
航空航天。飞机机架用重负荷扩展内圈自位双列密封球面滚柱轴承。英尺系列。
Action of beam between front row pile and back-row pile makes the stress state of double-row piles different from that of cantilever pile.
前排桩受力状态相当于在桩顶增加一个刚性支撑，后排桩受力状态相当于在桩顶施加一个拉杆。
The flow field of double-row annular cascades of hydraulic turbines is studied by means of digital analysis in combination with model tests.
采用数值分析与模型实验相结合的方法，对水轮机导水部件双列环列叶栅流场进行了分析研究。
In recent years support structure with double-row piles as a new type of support structure for deep foundation pit has been applied in Wuhan.
双排桩支护结构作为新型的深基坑支护结构形式，近几年开始在武汉地区运用。
The high speed shaft of the coal mill gear box for the boiler in a power plant broke, and the double-row self-aligning roller bearing was damaged.
某电厂发生锅炉磨煤机变速箱高速轴断裂，双列调心滚子轴承损坏。
Double-row piles are often used to the large-scale landslide. The anchor double-row piles and the frame double-row piles are the two common types.
在大型滑坡治理工程中常常采用双排抗滑桩，锚索双排桩和刚架双排桩是常见的两种型式。
The invention relates to a grinding tool for a grinding machine tool, in particular to a superfine head of a double-row tapered roller bearing outer shell.
本发明涉及一种用于磨削机床的磨削工具，具体地说是一种双列圆锥滚子轴承外套超精头。
This machine is of LV model, double-row, double-step, double function, water-cooling, and intercrossing, fixed, no basic reciprocating piston type air compressor.
本机为L型、两列、两级、双作用、水冷、有十字头的固定式往复活塞空气压缩机。
Structure of double-row blades can resolve the problem of mixing inefficient zone and improve mixing performance of interaction between machine member and concrete.
双排叶片结构较好地解决了搅拌低效区问题，改善了机构与混凝土相互作用的搅拌性能。
The best design is made according to the design and analysis of practical retaining structure with double-row piles and as well as the revision of different programs with PKPM.
依托实际工程进行双排桩支护结构的设计，分析比较，再利用PKPM计算软件对不同方案进行计算校验，得出最佳设计方案。
However, the current research and application of double-row piles supporting structure is mostly concentrated in the coastal and southern regions, while less in the northwest loess region.
目前，关于双排桩支护结构的研究及应用，多集中于沿海与南方地区，而在西北黄土地区的相关研究及应用则相对较少。
Engineering practice has proved that, using double-row piles in foundation pit supporting is a quite well way to safety and economic benefit, when in the foundation pit within 10 meters in depth.
工程实践证实，开挖深度在10米以内的基坑中，采用双排桩进行基坑支护在安全和经济效益上是非常好的支护方式。
Grid-MC-pile composite support and water stop system is successfully applied in deep foundation excavation of Qingdao Capland Center, which is combined of cement-soil gravity wall and double-row-pile.
将水泥土重力式挡墙支护模型与双排桩支护模型结合起来，组成格栅式MC桩组合支护、止水体系，成功应用于青岛凯悦中心深基坑工程。
This is a crane accessories double row tapered roller bearings.
这是起重机配件双列圆锥滚子轴承。
Wrist pin end carried on double row long cylindrical roller bearing.
连杆小端装有双列长圆柱滚子轴承。
Bench test shows that the double row short roller bearing works flexibly and normally and meets the basic performance requirement.
台架试验表明，该双列偏心短圆柱轴承运转灵活正常，达到了设计基本性能要求。
In this article, the principle, construction and use of the measuring instrument for preloads in double row cylindrical roller bearings used in machine tool spindles are narrated.
本文叙述了机床主轴部件常用的双列圆柱滚子轴承预紧量测量仪的原理、结构和使用方法。
Double row cylindrical roller bearings are good at the spindles of machine tools.
双列圆柱滚子轴承适用于机床主轴。
Double row cylindrical roller bearings are good at the spindles of machine tools.
双列圆柱滚子轴承适用于机床主轴。
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