快速加载试验机
rapid loading testing machine
苦瓜品种对比试验初报
Contrast Test of Several Balsam Pear Varieties
口语考试模式
the mode of speaking test
空压机试验台
air compressor test-bench
Air compressor test-bed
空心圆柱三轴试验机
hollow cylinder apparatus
空气制动试风系统
air braking testing system
空中飞试仪电系统
airborne test instrumentation system