Specification: flat head cold-flow model, countersunk head cold-flow model, primary drawing mould, pole-shorten model, etc.是什么意思_Specification: flat head cold-flow model, countersunk head cold-flow model, primary drawing mould, pole-shorten model, etc.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句