细粒状断面,平断口

even fracture的用法和样例：

例句

It is brittle and breaks with a conchoidal fracture surface.性脆，具贝壳状断口。
The tesile fracture is mixture of quasicleavage and touph dimple.拉伸断口为韧窝和准解理混合断裂。

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'cher

acidimeter

active document support

Alberche

auxiliary staff

auynaf

average current drain