-
Plain Ring and Snap Gages for checking the major diameter.
普通环规与卡规是为了检测大径。
youdao
-
The merchant took a plain gold ring from his carpet and engraved something on it.
那位商贩从地毯上拿起一枚普通的金戒指，在上面刻了些什么。
youdao
-
The merchant took a plain gold ring from his carpet and engraved something on it.
那位商贩从地毯上拿起一枚普通的金戒指，在上面刻了些什么。
youdao