最新首创简单刀刃比较，磨刀省时间

最新首创简单刀刃比较，磨刀省时间

For centuries, no one has found a precise DIY method to measure a knife's sharpness. Until now.

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• 厉害厉害 -德州_农夫- ♂ (0 bytes) () 05/07/2018 postreply 13:26:58

• 怎么磨刀呢？ -AntelopeCanyon- ♀ (0 bytes) () 05/07/2018 postreply 15:55:01

• next video -zhang88- ♂ (0 bytes) () 05/08/2018 postreply 17:12:28