N thin card covered with a layer of white china clay and a black top layer of Indian ink, which can be scraped away with a special tool to leave a white line 刮拓板
Scraper with double-sided knife with high-strength wear-resistant materials, board, according to the different soil hardness, the control point of the blade buried.
刮板带双面用高强度耐磨材料刀板，可根据土壤硬度的不同，控制铲刀入土角度。
For grinding imported Kolbus, days Herrenberg, Su ratio, tombola, Shi Feng paper that Germany steel scraper blade, cut board machine knives, paper machine with a knife.
适用磨削进口柯尔布斯、天伦贝格、苏比、波拿、施那德刀片造纸锋钢刮刀、截板机刀、纸张机用刀。
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