Generously dimensioned ball or roller bearings, case hardened forged and ground gears, and internally and externally reinforced gearboxes ensure a long, low maintenance service life.
大尺寸滚珠或滚子轴承，表面硬化伪造和地面齿轮，齿轮箱内部和外部强化确保长，维护成本低使用寿命。
Imagine yourself as a loving mother watching your child ride the roller coaster from a safe spot on the ground.
想象一下你是一位慈爱的母亲在地面安全观察点上看着你的孩子在坐过山车。
Through analysis and research on the noise and vibration in the test ground of vibratory road roller, measures have been taken to lower the noise and vibration level and good effect has been resulted.
对压路机试车场噪声与振动进行分析研究，采取几项措施的综合治理，试车场的减振降噪取得较好的效果。
The output of this research work increases the confidence of using impact roller compaction technique in the field of shallow ground liquefaction treatment.
研究成果证明了冲击碾压法在消除浅层地基液化领域的适用性。
The invention has decreased the roller canister work height in the condition of the other parts installing position to reach the connecting the every transfer device which is lower from the ground.
本发明在保证转运车其它安装部件位置不变的前提下，降低了辊筒传输作业 面的高度，实现了与传输作业面离地高度低的各种传输设备对接。
A further forming roller (40), situated in the lower part of the plates (36, 36 '), is preferably secured to the ground.
另一成型辊(40)，位于所述板(36,36)的下部，优选地固接于地面。
In this paper, the effects of grinding fluids are discussed experimentally on ground surface quality of the roller bearing steel GCr15.
本文讨论了在外圆磨床上进行切入式磨削时，各种切削液对滚动轴承铜磨削表面质量的影响。
The difference between roller skating and ice skating lies in the skating ground and skate, right?
不过现在花样滑冰比速度滑冰更引人注目，它包括男女单人滑，双人滑和冰上舞蹈。
Corrugated roller ground with advanced molding and computer indexing technology and guarantee the size of corrugation conform to national standard.
采用进口精密机床，先进的成型磨削和电脑分度工艺，保证楞型尺寸精度符合国家标准。
Corrugated roller ground with advanced molding and computer indexing technology and guarantee the size of corrugation conform to national standard.
采用进口精密机床，先进的成型磨削和电脑分度工艺，保证楞型尺寸精度符合国家标准。
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