screw pump〔名词〕螺杆泵详细»
screw pump〔名词〕螺杆泵详细»
screw pump螺杆泵,螺旋泵详细»
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〔名词〕螺杆泵详细»
screw pump〔名词〕螺旋泵详细»
螺旋泵helicoidal pump;screw pump;spiral pump;volute pump详细»
螺旋泵archimedean screw water;volute pump详细»