Cavitation erosion in the cooling water system of a diesel engine usually occurs at the pump impeller, and on the waterside of the ()
轻度宫颈糜烂:糜烂面积小于宫颈面积的()。
患者,女性,40岁,下唇糜烂反复发作3个月。检查:下唇红糜烂剥脱,有血痂。治疗唇部糜烂正确的方法是()
风蚀预报方程 wind erosion prediction equation
洞穴侵蚀 cave erosion
土壤侵蚀类型 soil erosion type
侧蚀作用(lateral erosion)
糜烂(erosion)
向源侵蚀(up stream erosion)
侵蚀阶地(erosion terrace)
患者,女性,40岁,下唇糜烂反复发作3个月。检查:下唇红糜烂剥脱,有血痂。治疗唇部糜烂正确的方法是()。
局部侵蚀基准面(local base level of erosion)
面蚀 surface erosion
Surface irregularities, such as erosion and pitting on injection pump plungers, will()
宫颈靡烂(cervical erosion)
侵蚀(erosion/recession/retreating)
Which one of thefollowing is an example of erosion?
Which one of the followingis an example of erosion?
Tree-planting helps to ____ water and prevent soil erosion.
The insulin injection sites must be rotated in order to prevent erosion of the fat beneath the skin.
The erosion of the white cliffs in the south of England has now become a threat to the local residents.
In bulk erosion, degradation occurs throughout the whole material equally.
Trees are useful to man 【B1】______ three very important ways: they provide him 【B2】______ wood and other produces; they help to check soil erosion and they help to 【B3】______ drought and floods.
宫颈糜烂根据糜烂面积大小,临床可分为三度,轻度是指糜烂面积小于整个宫颈面积的____,中度是指糜烂面积占整个宫颈面积的____,重度是指糜烂面积占整个宫颈面积的____。