W 开头单词
worm snake
worm shaped
worm shaft n. 蜗杆轴，蜗轴
worm seed
worm reducer 蜗轮减速机；[机] 蜗轮减速器
worm mesh [交通运输工程]蜗杆啮合
worm macule [医药科学]虫斑
worm lizard 蚯蜥
worm holes
worm hole
worm hob [机械工程]蜗轮滚刀蜗杆滚齿刀
worm gears
worm gearing 蜗轮传动装置
worm gear hob [经济学]蜗轮滚刀[机械工程]蜗轮滚刀
worm gear grease [经济学]蜗轮润滑脂
worm gear drive 蜗轮传动
worm gear 蜗轮；螺旋齿
worm fence
worm eaten
worm driving pinion [经济学]蜗杆传动主动齿轮