Gappn.加普
gapn.缺口;裂缝;差距;空白
gap hydraulic press马鞍压床
gap filling macadam填隙碎石
gap-filling model缺口填补方式
gap-graded design间断极配设计
gap between rollers轧距
gap-sized grading间断级配
gap flow resistance沿程阻力
gap junction protein间隙连接蛋白
gap adjusting filler接缝调整填料
gap-filling cement填缝水泥