Frictionometer
摩擦系数测定器; 摩擦系数测定仪
🗣️ 情景例句
I've been through every section with you, Richard.
我和你一起检视过每个部分， Richard。
Best wishes to you both.
祝你们俩无比幸福！
Can you recognize that woman，Mary?
你能认出那个女人是谁了吗，玛丽？