顺刀为直刃直柄，无护手。
试验结果表明，直刃刀对青棉秆的一次切碎，能获得细小颗粒产量高、能耗低的满意效果。
The test results indicated that straight knife chopper has higher chopping capacity, higher yield of small or fine particles and lower energy consumption than other two choppers.
通过动力学分析，得到了对于单叶双曲面平板直刃滚筒式切碎器切割秸秆层切割阻力矩的数学模型，经过试验验证验证了其有效性。
Based on the mechanics analysis, the mathematical model of the cutting torque was established, and the validity of the model was demonstrated by the experiments.
以刃边齿条为工具，测量廓面的直母线族误差，通过误差处理与分析获得齿廓总偏差和螺旋线总偏差。
Taking the straight-line-rack as the tool the error of straight generatrix is measured and by error analysis the tooth profile error and tooth orientation error can be obtained.
采用刃边齿条测头，测量齿轮廓面的直母线偏差，通过误差分析分离出齿廓总偏差和螺旋线总偏差。
Adopting the engaging process of the measuring rack - probe, the error of straight generatrix is measured, and by error analysis, the tooth profile error and tooth orientation error can be obtained.
可修磨直柄丝锥前切削刃和前切削面，螺旋丝锥前切削面。
Can the grinding straight before cutting blade and hilt taps before, spiral taps block block before.
本文提出了对直槽零前角滚刀，原始截面刃形在基本蜗杆齿面上，其新滚刀刃形的计算方法。
This paper presents a calculating method for the edge of a new hob with straight groove and zero rake Angle. The original section edge of the said hob is on the surface of basic worm.
是指剑，刀一种武器，通常由长而直或微微弯曲的、尖刃，有一面或两面锋利切边的刀锋组成，刀锋嵌入刀柄之中。
Sword means a weapon consisting typically of a long, straight or slightly curved, pointed blade having one or two cutting edges and set into a hilt.
可生产硬质合金麻花钻、阶梯麻花钻、直槽钻、扩孔钻、三刃钻、复合钻；
We are capable of manufacturingcarbide twist drills, step twist drills, straight flute drills, hole dilating drills, threeflute drills, combination drills;
可生产硬质合金麻花钻、阶梯麻花钻、直槽钻、扩孔钻、三刃钻、复合钻；
We are capable of manufacturingcarbide twist drills, step twist drills, straight flute drills, hole dilating drills, threeflute drills, combination drills;
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