分层后，曲边要修剪或打刀眼。
在用1772仿形车床车削变速器第二轴时，常发生打刀现象。
When the output shafts of the gear-boxes were turned on the copying lathe model 1772, the cutting tool often broke.
调整胸点。从样板原图上描下，加缝份。打刀眼并标出省端点的钻孔位置。
Adjust bust point. Trace off form the draft, add seam allowances. Notch and mark drill hole for DART point.
但是，高速铣削刀具磨损快，使用寿命短，如不进行实时监测很容易出现“打刀”现象。
However, HSM tool wear fast and service life is short. "Cutter breakage" phenomenon easily appears if not for real-time monitoring.
专业生产综合网络布线工具，例如：网络压线钳、同轴连接器压线钳、剥线钳、打线刀等。
Specializing in the production of integrated network tools, such as: Wire net work crimping tools, coaxial waterproof connectors crimping tools, strippers, punch tools.
距离他的头只有几厘米的地方有两个用黏土做的罐子，有制箭用的工具和原料，有狩猎用的一张弓和一打箭，另外还有一把小一点的铜刀。
Only a few centimeters from his head were two POTS made of clay, tools and materials to make arrows, a bow and a dozen arrows for hunting and a second, smaller copper knife.
我们用于出口的水果刀每箱100打。
Our export fruit knives are packed in boxes of 100 dozen each.
我们用于出口的水果刀每箱100打。
Our export fruit knives are packed in boxes of 100 dozen each.
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