lobe pump 罗茨泵 ; 凸轮泵 ; 转子泵

single lobe pump 单凸轮泵 ; 单体斗式泵

twin lobe pump 双凸轮旋转活塞泵

three lobe pump 三叶凸轮泵 ; 三突瓣式泵

multi lobe pump 多凸轮泵

two lobe pump 双凸叶转子泵

three lobe pump coupling 三叶凸轮泵连轴器

lobe pump coupling 罗茨泵联轴器

single lobe pump coupling 单凸轮泵联轴器

two-lobe pump 双突瓣式泵