id	keyword
fumecheng-10425	wear
fumecheng-10425	gears
fumecheng-10425	running
fumecheng-10425	load
fumecheng-10425	worm
fumecheng-10425	capacity
fumecheng-10425	steel
fumecheng-10425	contact
fumecheng-10425	min-1
fumecheng-10425	fe1.5cr0.2mo
fumecheng-10425	calculation