针对网套式连接器的额定载荷目前还不能满足架空输电线路工程施工要求这一问题，为方便张力放线试制了一种专用的牵引管。
Aiming at the problem of net-shell connector's rated load not meeting the requirement of overhead transmission line construction, a special traction tube was developed to help with tension stringing.
结果：张力带钢针最稳定，承载最大，其次是交叉钢针、牵引，石膏夹板固定最差。
Results Tension band pin group was most stable, followed by cross pin, traction, plaster and splint.
结果张力带钢针最稳定，承载最大，其次是交叉钢针、牵引、石膏夹板固定最差。
RESULTS:Tension band pin was most stable with more bear, the following group was cross pin, traction. Plaster and splint was least unstable.
在介绍系留气球缆绳收放系统功能的基础上，对缆绳收放系统的主牵引系统和张力检测与排线系统进行了设计。
On the basic of introducing function of cable launch and recovery system of tethered aerostat, this paper designs main tow system and tension measure and cable align system of the system.
张力是一种相互牵引力，它可以分为内部张力和外部张力。
Tension is a mutual pulling force. It can be divided into internal tension and external tension.
阐述了电力线路张力放线自制牵引机设计中与进口设备完全不同的一种新型液压驱动设计方案，该方案使电力线路张力放线液压系统元件国产化得以实现。
The design of a new type of hydraulic system was introduced, which was totally different from the imports. And the localization of this system has been realized.
用一个带有张力测量器的牵引器在l4—l 5椎间盘水平将左髂动脉和腹主动脉末段牵向右侧。
The left iliac artery and the distal abdominal aorta were retracted to the right side at the l4-l5 disc level by a measuring retractor to which a strain gauge was attached.
PCR分析显示机械牵张力能提高BMP -4和BMP -6的表达，而BMP -7仅在牵引期后期和固塑期早期微弱表达。
RT-PCR analysis showed that mechanical forces enhanced expression of BMP-4 and BMP-6. BMP-7 was weakly expressed.
PCR分析显示机械牵张力能提高BMP -4和BMP -6的表达，而BMP -7仅在牵引期后期和固塑期早期微弱表达。
RT-PCR analysis showed that mechanical forces enhanced expression of BMP-4 and BMP-6. BMP-7 was weakly expressed.
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