机轴

机轴	jī zhóu	arbor / shaft (in a machine)
机	Jī	surname Ji
机	jī	(bound form) machine; mechanism / (bound form) aircraft / (bound form) an opportunity / (bound form) crucial point; pivot / (bound form) quick-witted; flexible / (bound form) organic
轴	zhóu	axis / axle / spool (for thread) / roller (for scrolls) / classifier for calligraphy rolls etc
轴	zhòu	see 压轴戏 / Taiwan pr. [zhou2]