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
Oh, let's see. It'll be about 3:30 before we have anybody free.
哦，让我想想。大概要到3：30我们才有空。
Who is going to wait?
谁在等？
What's your plan for the summer vacation?
你暑假打算干什么？