推力问题，是可以克服的，由切割两套反对的螺旋齿就同一空白。
The thrust problem can be overcome by cutting two sets of opposed helical teeth on the same blank.
钻机的切割部分；通常是尖头的有螺旋状图案并且可以更换用在柱柄或上。
The cutting part of a drill usually pointed and threaded and is replaceable in a brace or bitstock or.
它是由薄的康宁玻璃切割成螺旋形的一种新型激光加工工具。
It's made of thin Gorilla Glass cut in a spiral shape with a new laser manufacturing tool.
特点：结合单刃良好排屑和螺旋切削，可大大提高切割速度的同时保证产品质量。
Features: crumbs fast-removing and helical cutting, it will greatly increase the processing speed while ensuring quality.
当螺旋桨要求的功率过高以至于轴转速达不到额定值时，可以采用切割螺旋桨叶梢的方法减小螺旋桨的负荷。
When the power required by propeller is so high that the shaft speed cann't arrive a rated value, the tip of propeller can be cut to decrease its load.
针对螺旋埋弧焊钢管生产中空气等离子切割烟尘对环境污染的问题，设计了一种工作稳定可靠的烟尘净化系统。
Environment pollution problem generated by plasma cutting smoke and dust during SSAW pipe production process was analyzed; a kind of stable and reliable smoke and dust cleaning system was designed.
本文概括地说明了螺旋桨修边技术的机理和现实意义，介绍了有关的计算方法，以及切割的工艺过程。
The mechanism and real significance of the blade shape modification technology of propeller, as well as the calculation method and technical process for blade edge cutting are briefly introduced.
应用升力面方法理论计算螺旋桨切割前后的敞水性能，与试验值的比较表明计算值误差在可接受的范围内。
Meanwhile the open water characteristics of the propeller were predicted by using the lifting surface theory. Comparison with to experimental data showed that calculation errors are acceptable.
方法对25例正常脊柱行螺旋CT扫描后经三维软件处理，分别按多个切割层面切割成像进行观察。
METHODS Three dimentional images received according to eight angle and sculpting locations were observed in 25 normal spines.
方法对25例正常脊柱行螺旋CT扫描后经三维软件处理，分别按多个切割层面切割成像进行观察。
METHODS Three dimentional images received according to eight angle and sculpting locations were observed in 25 normal spines.
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