Special worm gear hobs with circular tooth, double pitch and involute etc, can also be ordered.
圆弧齿、双螺距、渐开线等特殊蜗轮滚刀也可以订货。
The diagonal double pitch curved lattice grid system is used in the country for the first time.
斜拉双坡曲面钢网壳结构体系，为国内首次采用。
Based on the pitch meshing theory of the worm drive, a new structure of the cylinder worm drive-the double pitch point and double side-placed worm gear drive is proposed in this paper.
以蜗杆啮合节点理论为基础提出一种圆柱蜗杆传动的新结构—双节点侧置双蜗轮传动；
The deflection of double-pitch hipped-plate grid structure increased significantly after earthquake, and the part of anchor bolts of rubber bearing were cut off.
某双坡折板式网架结构在地震作用下出现结构挠度大幅度增加、部分橡胶支座锚栓被剪断的破坏特征。
Therefore, in practical engineering applications, we can use double-pitch precision roller chain instead of single-pitch roller chain.
因此，在实际工程应用中，可以用双节距滚子链与相应的单节距链轮配套使用。
Therefore, in practical engineering applications, we can use double-pitch precision roller chain instead of single-pitch roller chain.
因此，在实际工程应用中，可以用双节距滚子链与相应的单节距链轮配套使用。
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