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, hi, darling.
哦， 亲爱的。
I don't know how to work the machine.
我不懂得怎样使这部机器运转。
Though he was reluctant to do so at first, we eventually persuaded him to take us.
一开始，他很不愿意，但经劝说，终于同意了。