词语screw pump
解释螺杆泵,螺旋泵
screw pump〔名词〕螺杆泵详细»
screw pump〔名词〕螺旋泵详细»
screw pump螺旋泵,螺杆泵详细»
screw pump〔名词〕螺杆泵,螺旋泵详细»
screw pump螺杆泵详细»