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main transmission box 主箱体
In this paper, a type of NC lathe's main transmission agent by using a frequency modulation AC Spindle Motor and a tree speed gear box to make the spindle speeds be stepless change was present. 介绍一种以交流变频调速主轴电机驱动、串接一个3档分级变速机构，实现主轴无级变速的数控车床主运动传动系统。
Main transmission adopts steel sliding plate which is wear resisting. With this design, we can fix position precisely. 主传动采用钢质滑板运动、不宜磨损、彻底解决了因链条长时间传动而拉长定位不准确的缺陷。
Sparated Bearing block for main transmission shaft Easy for maintenance and fix. 主传动轴承座可分拆结构;方便安装及维护.
A special type vehicle's main transmission shaft of transmission equipments fractured during test-drive. 摘要某特种车辆在试车过程中传动装置主传动轴断裂失效。
The main transmission and transfer can adjust their lubrication oil highness respectively and improve the transmission efficiency. 主变速器、分动器独立润滑，能合理调整各自润滑油面，有效提高传动效率。
Being used in high-speed heavy railcar.This type of the Hydraulic Transmission Box has three circularities and higher efficiency in work scope.It is level separateness, and double outputs. 用于高速重型轨道机车，该液力传动箱为三循环园，具有宽广的高效率工作范围和强劲的牵引特性。
The relative index of potential contamination(IPC)was 67.2% in the age group 20-49 years,this group was considered as the main transmission source in the population. 各年龄组污染指数（IPC）以30－39岁年龄组最高（79.;1），相对IPC也以30－39岁年龄组最高，20－49岁相对IPC为67
The original K - F - D system was replaced by SCR - D system for main transmission, while PLC was substituted for the original relay contactor control mede. 即主传动系统由SCR-D取代原K-F-D系统，电控部分用可编程序控制器PLC取代原继电器-接触器控制方式。
Most truck power take offs are arranged so that the vehicle’s clutch disengages not only the main transmission’s output shaft to the drive wheels, but also disengages the PTO. 大多数卡车权力采取平衡的安排，使车辆的离合器分离不仅主传动的输出轴的驱动车轮，而且还脱离接触的动力输出。
The leakage, wear and high oil temperature faults of transmissions box and torque converters for loaders are analyzed. 分析了装载机变速箱、变矩器泄漏、磨损和油温过高的原因,介绍了其危害,并针对每一种故障均提出了相应的修复措施。
The main transmission control adopts DC control, adopting England SSD digital no reversible DC speed regulate device, the SIEMENS PLC to control the whole line. 2主传动控制采用直流电机，由全新的英国SSD全数字不可逆直流调速装置,整机控制由西门子可编程控制器管理。
The analysis of structure and principle of operating of cardan shafts between transmission boxes and starting generators of Beijing locomotives reveals the main reasons of scrapping of cardan shafts. 通过分析北京型机车传动箱和起动发电机之间的万向轴的结构及在机车运用中的动作原理,确认造成万向轴报废的主要原因,结合实际调查,阐明修复工艺及修复效果。
This paper introduces the primary design of the core of equalizer which contains main transmission and resonator.And the resonator is primarily analyzed and simulated . 文章对组成毫米波均衡器的核心部分,即主传输线、谐振腔的初步设计进行了介绍,并对谐振腔进行了初步分析与仿真。
Design of the test board for heavy transmission box 重型变速箱总成试车台设计
The transmission system has been set up not only main transmission but also auxiliary transmission device to guarantee that can still make the kiln body rotated slowly when the final drive power is cut off and prevent kiln body out of shape. 传动系统除设备主传动外，还设置了为保证在主传动电源中断时仍能使窑体慢速转动，防止窑体弯曲变形的辅助传动装置。
Results There were 9 countries and 28 towns that reported the cases of paragonimiasis.The most of the cases were children coming from countryside.The main transmission was eating raw crab. 结果三峡库区湖北和重庆境内有9个县28个乡镇发现有肺吸虫病例,主要是来自农村的少年儿童,其主要传播途径为生食溪蟹。
The power required to turn the main transmission, tail rotor transmission, and tail rotor also add to the higher descent rate of a helicopter in autorotation as compared with that of a gyroplane. 直升机动力系统要驱动主传动系统和尾传动系统，尾传动系统也降低了自动下滑速度。
In order to monitor and diagnose the armored vehicle's gearbox online, the modeling and identification of the main transmission system are accomplished by Forward Householder Real (FHR) method. 摘要为了实现装甲车辆齿轮主传动系统的在线检测与诊断，在介绍对装甲车辆齿轮主传动系统进行故障诊断与预测必要性的基础上，运用镜像映射变换(FHR)算法实现了系统的建模与辨识。
The main impediment to growth is a lack of capital. 影响发展的主要障碍是缺乏资本。