Chinese ⇄ English Russian

扇形齿轮
gen.	quad
agric.	sector
auto.	gear parts
busin.	.sector gear
comp.	segment
compr.	gear segment
mech.eng.	toothed segment
met.	segment gear; toothed sector
nautic., tech.	gear quadrant
oil	gear sector
space	sector gear; quadrant
tech.	quadrant gear; rack circle; segmental gear; segmental rack; toothed quadrant
扇形齿轮板
auto.	gear quadrant; toothed quadrant; toothed sector
扇形齿轮〔板〕
construct.	tooth sector; toothed sector
扇形齿蜗轮
auto.	quadrant gear

扇形齿轮: 35 phrases in 5 subjects

Automobiles	9
Construction	1
Drilling	1
Oil / petroleum	2
Technology	22