词语方向控制阀
解释directional control valve
directional control valve定向控制阀,方向控制阀详细»
directional control valve〔名词〕方向控制阀详细»
directional control valve方向控制阀详细»
方向控制阀〔名词〕directional control valve详细»
方向控制阀directional control valve详细»