Gravitometer
重差计(测定比重用)
🏥 医学释义
比重计，比重测定器
🗣️ 情景例句
Good night, Grandpa.
晚安， 爷爷。
Please quote us as soon as you receive our inquiry.
请接到我们的询价单后马上给我们报价。
You are so considerate.
你真有心。