Doctor: Looks like this tooth can be filled.
医生：看来这牙还可以补。
This is a little bit like asking if Santa is real... of course the tooth fairy is real!
这就好比问圣诞老人是真的么…当然真的有牙仙了！
This article focuses on the process of shaping the mixed rifle with a large spiral angle in the cannon, and proposes a cone-like cathode structure with asymmetric cuneiform working tooth.
分析了火炮身管大缠角混合膛线的成型过程，提出圆锥体单边切进楔形工作齿的阴极结构，经试验确定了阴极体锥度、长度与楔形工作齿角度的匹配关系。
应用推荐