Dracunculiasis (more commonly known as guinea-worm disease) is a crippling parasitic disease caused by Dracunculus medinensis, a long thread-like worm.
麦地那龙线虫病（又常常称为几内亚蠕虫病），是一种由麦地那龙线虫这种长型丝状的蠕虫引起的致残性寄生虫病。
It is proved that the interference is related not only to the parameters of screw (worm) thread but also to the diameters of measuring needles selected.
论证了干涉的发生不仅与螺纹(蜗杆)的参数有关而且与选用的量针直径有关的观点。
Grinding gear with the toroidal involute interior thread worm grind wheel is a new kind of process in hard surface gear finish machining.
针对面齿轮硬齿面磨削加工中存在的困难，提出用蜗杆砂轮磨削的双参数法来磨削面齿轮。
Grinding gear with the toroidal involute interior thread worm grind wheel is a new kind of process in hard surface gear finish machining.
渐开面包络环面内螺纹蜗杆砂轮磨齿，是一种硬齿面齿轮精加工的新型工艺。
Grinding gear with the toroidal involute interior thread worm grind wheel is a new kind of process in hard surface gear finish machining.
渐开面包络环面内螺纹蜗杆砂轮磨齿，是一种硬齿面齿轮精加工的新型工艺。
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