| 1. | Gravity meters and their operators were lowered to the water bottom in diving bells .
重力仪及操作员们都在钟形潜水器内沉到水底。
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| 2. | They ' ll live 49 feet under the sea in diving bells that form a complex
他们将在49英寸的海底下生活，居住在一个综合的潜水钟里。
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| 3. | Two - man diving bell
双人潜水钟
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| 4. | They ' ll live 49 feet under the sea in diving bells that form a complex
他们将在49英尺的海底生活，他们将在一个密闭的潜水钟所构成的密闭空间里居住。
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