The key manufacture technologies of top grade fine suede cattle upper split leather were introduced.
介绍了制作高档牛二层细绒鞋面革生产工艺中的几道关键工序。
Often this grade of wood is hand-split from bolts or blocks that are taken from rounds straight from the tree to ensure perfect quarter orientation.
通常这种等级的木材是从短原木和短而粗的圆木块上锯下的，以保证其具有完美的径切四分瓣。
Often this grade of wood is hand-split from bolts or blocks that are taken from rounds straight from the tree to ensure perfect quarter orientation.
通常这种等级的木材是从短原木和短而粗的圆木块上锯下的，以保证其具有完美的径切四分瓣。
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