| 摘要 |
A storage tank system especially useful for storing liquid gasoline comprises a rigid inner tank encased by a flexible outer jacket to form a closed space, detecting liquid in the closed space and non-visual leak detection means associated with the closed space. The system results in a storage facility which is less likely to lose its stored liquid to the environment due to a slow leak or a sudden large leak such as is possible with an earthquake. The system is monitored for leakage in a reliable yet economical fashion.
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