Boroscope
内孔径表面检查仪, 光学孔径检查仪, 内孔窥视仪, 检孔仪
🗣️ 情景例句
We have several package tours you may choose, from ten days to three weeks in Europe.
我们有几套欧洲旅游计划选择，时间从10天到3个星期。
Constant dropping wears away a stone.
滴水穿石。
Because of his revolutionary views, he spent many years in prison.
由于他的革命观点，他在监狱里度过了许多年。