Terms for subject Technology containing variable-depth

English	Chinese
independent variable depth sonar	独立可变深度声呐
lightweight variable-depth towed sonar	轻型可变深度拖曳式声呐
variable depth attachment	不同深播种附加装置
variable depth opener	变深度开沟器
variable depth section frame	可变高度截面的框架
variable depth sonar	可变深度声纳
variable depth sonar	深度可调声呐
variable depth sonar	可变深度声呐
variable diameter depth of hole	变径深度