词汇	rib rifling
释义	rib rifling 等齐膛线
随便看	grain complex grain composition grain comprehensive production capacity grain comprehensive productive capacity Grain comprehensive productivity grain concentrate grain concentration measuring method grain concumption grain condition grain conditioner grain conditioning grain conduction grain conductor grain cone grain configuration grain constituents grain consumption grain containing much moisture grain contamination grain content in husk grain content in rice bran grain contrast grain control grain conveyer grain conveyor