More often, all of the materials exposed to the etchant have a finite etch rate.

通常, 所有暴露在刻蚀剂中的材料都具有一定的刻蚀速率.

辞典例句

More often , all of the materials etchant have a finite etch rate.

剂中的材料都具有一定的刻蚀速率.

互联网