Structure of pneumatic material c lamping device and pneumatic system have been introduced with ex-pounding appli cation in a notching press.
介绍对压料装系统,以压料装在冲槽机上应用。
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They did. Isak he went about building, notching his baulks and fitting up his framework; also he managed a hearth and fireplace of picked stones, though this last was troublesome, and Isak himself was not always pleased with his work.
他们做到了。伊萨克开始建造,在他的舱壁上开槽并安装他的框架。他还经营着一个壁炉和一个用选石头砌成的壁炉,尽管最后这个很麻烦,而且 Isak 本并不总是对他的工作感到满意。