全方位距离导航
omnibearing-distance navigation
全方位深松
Sub soiling in all directions
全方位深松部件
working parts of bulk subsoiler
全方位深松技术
All-dimension pan busting technology
全方位线性分析法
omni directional analytical linear method
取样方式与保存条件
Sampling methods and storage conditions
取样方法和设备
sampling method and device