... fuel return passage check valve；回油通路单向阀 fuel return port；回油口 fuel return tube；回油管 ...
基于12个网页-相关网页
Fuel return pipe port 回油管接口
fuel shutoff return port 燃油断路返回口
fuel return port
回油口
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Its Green Shipping Initiative offer incentives such as reduced port fees for ships in return for using low-sulfur fuel.
CNN: Shipping looks to clean up its act
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