racker
美 ['rækə]英 ['rækə]
- n.排管器;摇杆;行拷刑者；使人痛苦的人
racker-
Discussion on the designing improvement of drink racker
饮料灌装机改进设计的探讨
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The players spin a racker . The winner of the toss has the right to serve first .
先由运动员旋转球拍，猜胜者有权选择首先发球。
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The racker 's fundamental mechanism , working principle and adjusting way were described and main technical parameters for calculation and selecting method were also provided as a reference for those who want to study the design of the machine . ( CH )
本文具体介绍了这种机器的结构、工作原理和调节方式，给出了主要技术参数的计算和选择的方法，可供有志此项工作的设计者参考。