短語詞組短語high vacuum insulated tubing 高真空隔熱油管heat insulated tubing string 隔熱管柱thermal insulated tubing 隔熱油管heat -insulated tubing 隔熱管concentric insulated tubing 同心保溫油管heat insulated tubing 隔熱油管insulated tubing string 隔熱管柱the coupling of insulated tubing 隔熱油管接箍 返回 insulated tubing