The welding joint properties of J55 welding pipes made in China and Sumitomo Co., Ltd. and Kawasaki Corp. in Japan are analyzed and compared.是什么意思_The welding joint properties of J55 welding pipes made in China and Sumitomo Co., Ltd. and Kawasaki Corp. in Japan are analyzed and compared.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句