Soniscope
脉冲式超声波探伤仪(测材料强度或裂缝深度用)
🗣️ 情景例句
I can hardly keep my eyes open.
我简直睁不开眼睛了。
Thank you but this is something I have to do on my own.
但有些事情我必须自己做主。
I want some envelopes,please.
请给我拿几个信封。