direct cut直接劈
directadj.直接的;笔直的;坦白的v.对准;指挥;指示;命令
direct viewing screen直观式荧光屏
direct-product code直积码
direct firing furnace直焰炉,直接火力加热器,明火加热炉
direct heat exchanger直接换热器
direct reading bridge直读式电桥
direct electroplating直接电镀
direct coupling power直接耦合的功率
direct-drawn roving直接(法)无捻粗纱
direct access inquiry直接询问,直接存取询问
direct drawing method直接画法