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关闭燃油加热器的蒸汽阀。
Close the steam valve of the fuel oil heater.
youdao
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汽车燃油加热器是冬季客车采暖的主要设备之一。
Vehicle oil heater is one of the main equipments for heating bus in winter.
youdao
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汽车燃油加热器是冬季客车采暖的主要设备之一。
Vehicle oil heater is one of the main equipments for heating bus in winter.
youdao