a large concrete structure that does not allow water to get in, in which construction work can be done under water 沉箱:不允许水进入的大型混凝土结构,可以在水下进行施工 The caissons allowed us to protect the equipment and ensure safe exploration. 沉箱使我们能够保护设备并确保安全勘探。
👨🏻🏫 Mr. Ng 牛津詞典 📚 – oxford.mister5️⃣.net
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