This text introduces the principle of hydraulic joint crosshead of H_2 compressor in catalytic reformer and summarizes several attention items of using.是什么意思_This text introduces the principle of hydraulic joint crosshead of H_2 compressor in catalytic reformer and summarizes several attention items of using.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句