The pontoon is non-self-propelled. The main and auxiliary generator sets in the engine room provide enough room provide enough power for operation and livelihood.是什么意思_The pontoon is non-self-propelled. The main and auxiliary generator sets in the engine room provide enough room provide enough power for operation and livelihood.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句