词汇	放软顽
释义	放软顽 fàng ruǎn wán猶撒嬌。
随便看	back pressure governor backpressure manometer back pressure manometer back-pressure manometer backpressure manometre back pressure manometre back pressure multi-effect evaporator back pressure of steam trap back pressure of steam turbine backpressure operation back pressure operation back-pressure operation back pressure pneumatic sensor backpressure porosity back pressure porosity back-pressure regultor back pressure reliefport back pressure relief port back-pressure-relief port backpressure relief valve back pressure relief valve back pressure return back pressure return water backpressure rising backpressures