a large concrete structure that does not allow water to get in, in which construction work can be done under water 沉箱:不允許水進入的大型混凝土結構,可以在水下進行施工 The caissons allowed us to protect the equipment and ensure safe exploration. 沉箱使我們能夠保護設備並確保安全勘探。
👨🏻🏫 Mr. Ng 牛津詞典 📚
切换为简体中文