破碎机的爪子短而结实；切割机的爪子则又长又细。
The crusher claw is short and stout; the cutter claw is long and slender.
重量只有4 1 / 2磅，比任何其他的去盖器或切割机轻75%，结构为带有优质合金钢刀片的细锻钢，使用寿命长。
Only 4 1/2 lbs. , it's 75% lighter than any significant cutter. Constructed of fine forged steel with a quality alloy steel blade to last indefinitely.
砂料越细(是指粒度大)，切割速度越慢，表面越光滑。
The finer the sand is (refers to big granularity), the slower the cutting speed is and the smoother the surface is.
然而主要障碍在于由大镜切割出细镜的困难。
The main draw back , however, lies on the difficulties in cutting out small mirror from the big one.
采用美国进口反射镜和透镜，光斑更细、切割力更强。
Adopt imported reflect mirror and lens from America, makes the facula thinner and the cut stronger.
采用美国进口反射镜和透镜，光斑更细、切割力更强。
Adopt imported reflect mirror and lens from America, makes the facula thinner and the cut stronger.
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