[=wall pressure]壁压
[=water packed]水裹法
[=water-proof]防水的,不透水的
[=weakly positive]弱阳性
[=weather permitting]天气许可时
[=weather-proof]抗风化的,不受气候影响的
[=wedge pressure]楔压(毛细血管)
[=wenckebach's phenomenon]温克巴赫(氏)现象(心电图)
[=wet pack]湿裹法
[=wettable powder]可湿性粉剂
[=white phosphorus]白磷,黄磷
[=white pulp]白髓,白浆状物