roughing out 粗分离
roughing-out pass 粗轧孔型
roughing-out sieve 粗杂质排出筛
roughing out sieve 粗杂质排出筛
roughing-out hammer 粗加工锤
A portable drill or an electric chainsaw could save Labour, and make light of roughing out big boards.
便携钻机或是电动链锯能够节省体力，并使大块木板的粗加工化繁为简。
The test research to optimize processing parameters had been carried out systemically for Bi roughing of certain multi-metal ore containing Bi, Zn and Fe.
对某铋锌铁多金属矿的铋粗选工艺进行了系统的参数优化试验研究。
Generally speaking, the head and tail of the hot strip will bring out tongue type and fish tail type bug and its temperature will be usually lower when it passes through the roughing mill.
热轧带钢在经过粗轧机组轧制后，头尾会出现舌头形、鱼尾形等缺陷，且头尾温度往往偏低。
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