查询词典 cylinder head

Some experiments were done, and it is concluded that the combine with axial-flow type cylinder and cutting spike on field instead of the head-feed combine should be developed.

文章在试验分析的基础上，提出了新的观点，认为我国南方稻麦联合收割机的研制方向应该是田间割穗式轴流型联合收割机。

The main products are: high pressure valve, various gears, train liner, crampons, oil field nut, T-cock, four-way piece, automobile front-axle, inner arm, outer arm, ram head, cylinder, shaft, wheel hub, hanger bracket, rear axle tube and so on.

主要产品有高压阀门，各类齿轮，火车衬板，起重吊钩，油田螺母，三通，四通，汽车前轴头，内臂，外臂，机头，气缸，柄体，油缸，车轮毂，吊攀，半轴套等。

Idlers use stamped bearing house. Using wide clearance bearing and multi-layer labyrinth seal improves service life, reduces rotation resistance and friction coefficient. Cast welding and keyless connection has been used for pulley, Hydraulic coupling and hard surface cone cylinder gear speed reducer for drive unit, angle type structure for head frame, so these improve starting performance, drive efficiency, load capacity and service life, reduce floor area and weight of equipment.

托辊采用了35°槽型前倾结构，辊子为冲压轴承座结构，大游隙轴承和册层迷宫密封，提高了寿命，降低了旋转阻力和摩擦系数，滚筒采用了铸焊结构和无健联接，驱动单元采用了液力耦合器和硬齿面圆锥圆柱齿轮减速机，头架采用角型结构，从而改善了启动性能，传动效率，承载能力和使用寿命，减少了占地面积和设备重量。

Company specializing in the production of drilling accessories have five series (packer Series, oil and gas well-head series, Elevators, hanging clamp series, screw drill series, salvage tool series), various species reached more than 100 kinds of specifications, annual production of capacity of 10,000 sets; engineering hydraulic cylinder, special vehicles gear kit 5000, GDP was about 1500 million.

公司专业生产钻采配件有五个系列（封隔器系列、油气井口系列、吊卡、吊钳系列、螺杆钻具系列、打捞工具系列），各类规格品种达100多种，每年生产能力为一万件套；工程液压油缸、特种车辆齿轮5000套件，年生产总值约1500万元以上。

This essay describes the application of the cylinder cram mechanism and the planetary gear system in the multi head anti stealing cover seal mechanism.

通过行星轮系-圆柱凸轮机构在多头防盗盖封口机中的应用，详细论述了其运动原理及设计要点。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。