单词	north south problem
释义	north south problem 🌏南北问题
随便看	constant channel constant charge-discharge constant-charge material constant charge surface constant chip load constant chord constant chordal tooth thickness constant chordal tooth thickness measurement constant chord blade constant chord wing constant circuit/constant voltage constant circuit with PWM constant circulating oiling constant circulation constant-circulation constant circulation flow pattern constant clearance piston constant clock constant code constant coefficient constant-coefficient constant coefficient multiplier constant coefficients constant coefficient system constant cold tear