cavity-down
基本解释
- n.空腔向下
英汉例句
- Thin (1.2 mm) cavity down BGA from Anam.Trademarked name often (wrongly) used generically.
--来自Anam的BGA下面的薄腔，经常（错误）使用的商标名称。 - Have a glass of beer to rinse your dinner down.
喝杯啤酒把你吃的晚饭冲下去。 - The machine must break down at this busy hour.
正忙的时候，机器偏偏又坏了。 - The old man stared the uninvited guest up and down.
老人把不速之客上下打量了一番。 - He let himself down slowly by means of a tope.
他借助一根绳子慢慢地下来了。