将一种用手术刀锐性肝实质切除方法与肝切除术中广泛应用钳夹压碎技术的方法进行对比，一项前瞻随机试验。
A method of sharp liver parenchymal transection with scalpel is compared in a prospective randomized manner with the widely used clamp crushing technique.
本机床用于倒模硬质合金刀片的锐面铣刀，三面刃铣刀及两面刃铣刀的刀齿的圆周刃带以及各后刀面。
This machine is used to sharpen the peripheral cutting edge and all relief angles of the teeth of inserted blade milling cutter head.
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