词汇	bill roll
释义	bill roll 票券轮换
随便看	reverse flow forging reverseflow gas process reverse flow gas process reverse-flow gas process reverseflow glass capillary viscometer reverse flow glass capillary viscometer reverse-flow glass capillary viscometer reverseflow glass capillary viscometre reverse flow injection Reverse flow-injection reverse flow injection analysis reverse-flow methods reverse-flow muffler reverse flow nozzle reverse flow of funds reverse-flow oxidation catalyst reactor reverse flow process reverse flow reactor reverse-flows reverse-flow scavenging reverse-flow scavenging cylinder scavenging reverse-flow system reverse-flow tank reverse flow technique reverse-flow theorem