可同时测试12块试样，配有可预设置电子计数器，记录循环次数。
You can simultaneously test 12 block samples, equipped with electronic counter can be set to record the number of times to loop.
配有全套辅助砝码，试样夹，磨擦轮，真空装置，膜式控制键盘及电子计数器。
Supplied with a full range of auxiliary weights, specimen holders, abrasive wheels, wheel refacer and vacuum unit.
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