The result of examing the thin - wall sphere in Zhong Yuan 140,000 Ton - Ethylene-Production-Per-Year project shows that curvature overproof results from the welding operation and heat treatment.是什么意思_The result of examing the thin - wall sphere in Zhong Yuan 140,000 Ton - Ethylene-Production-Per-Year project shows that curvature overproof results from the welding operation and heat treatment.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句