双启齿扳手 DOUBLE OPEN ENDED SPANNER

全局化双启发式编程 globalized dual heuristic programming

双启齿扳手套装 DOUBLE OPEN ENDED SPANNER SET

双启动 dual-boot

双启动型 ODH

双启发式动态规划 Dual Heuristic Dynamic Programming ; DHP

旋启双瓣式底阀 Double disc swing foot valve ; Double discng foot valve ; doubldiscswingfootvalve

系统切换与双启动 wm

双重启动 dual boot

双启动子 dual promoters