directline直通行directadj.直接的；笔直的；坦白的v.对准；指挥；指示；命令direct outward dialing--one直拨外线-听一次拨号音direct control microprogramming直接控制微程序设计direct outward dialing--two直拨外线-听二次拨号音direct complement fixation test直接补体结合试验directed air-cooled condenser直接空冷凝汽器direct chill continuous casting直接激冷铸造direct-route powder reduction直接粉末还原Direct -buried steam conduits直埋管道direct-conversion transceiver直接变频收发器direct distribution coefficient直接分配系数

1. Two prototype small-scale direct seeding implements were developed.
   开发了两种小型直播机。
2. Applied technology in plough-free and direct rice growth in hilly rice fields.
   丘陵稻区机械免耕旱直播水稻应用技术。