back wash

同根派生

Bedroom door from the back wash Panjiayuan old clothes market, behind the doors off, but will allow people to imagine building scenery.
卧室的门是从潘家园旧货市场淘回来的，两扇对开的门，让人们禁不住会去想象门内的风景。
The doctor did not get angry, just say meaningfully: "Such, you go back wash a hot bath, it is next outdoor ambulate two hours, but scarcely should wear the dress.
医生没生气，只是意味深长地说：“这样吧，你回去洗一次热水澡，然后在室外走动两个小时，但一定不要穿衣服。”
A novel back wash natural gas filter
新型可反洗再生天然气过滤分离器
The nurse turned the old man over to wash his back.
护士给老人翻个身擦洗後背。
But the back washing and regeneration of the fiber filter was imperfect, the application was not extensive.
为提高纤维的吸水性，以利于其再生，选取3种改性试剂进行纤维表面改性。