扁平骨

这句话的意思是指这根长且扁的胸骨可以制造红血球吗？

flat fillet

flat-bed printing machine【印刷】;flatbed press【印刷】

flat quick-connect termination【电】

making envelopes of flat form from tubular webs

flat bed truck

flat-curler with clamping bow for hairdressing

flat squared picture tube【电】视;FS picture tube【电】视

flat-blade paddle agitator