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They were red and green, gas-powered, in the event of a leak.
信号灯除红色和绿色，使用煤气，在漏油时会非常危险。
youdao
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He does not have a refrigerator, but has a gas-powered freezer.
他没有冰箱，但是有个燃气冷却器。
youdao
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He does not have a refrigerator, but has a gas-powered freezer.
他没有冰箱，但是有个燃气冷却器。
youdao