...不锈钢器械进行根管的预 备,由于器械材料及根管结构的复杂性,如根管的弯曲、狭窄等,在根管的 预备过程中易出现根管内台阶(Ledges)、肘根管(Elbow)、根尖孔敞丌 (Zip)、根尖区穿孔(Transportation)、根管偏移(Perforation)等临床中不 希望遇到的并发症。
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Kitchen sink ledges 厨房水槽的壁架检查
Ocean Ledges 海洋岩壁
growth ledges 生长台阶
structure ledges 结构台阶
interfacial structure ledges 界面结构台阶
N-COUNT A ledge is a piece of rock on the side of a cliff or mountain, which is in the shape of a narrow shelf. 岩脊
...like a wounded bird seeking refuge on a mountain ledge.
…就像一只受伤的鸟在山的岩脊上寻找藏身处一样。
N-COUNT A ledge is a narrow shelf along the bottom edge of a window. 窗台
Dorothy had climbed onto the ledge outside his window.
多萝西已经爬到了他窗台外面。
The‘cliff’was a little too steep, the ledges a little too narrow.
“悬崖”过于陡峭，岩礁突出的地方又太窄。
We lounged in fields of wildflowers, and picnicked on ledges overlooking the sea.
我们俯瞰大海和野花并在利奇斯野餐。
Sooner or later, the birds come to rest on ledges of buildings surrounding the park.
这些鸽子迟早都会在环绕公园的建筑物的边崖上歇息。
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