stub什么意思? 在以下这段话中,stub要翻译成什么意思? When specified in the UOP Project Specification, provide a stub stack for regeneration purposes. Stub stack shall have a minimum height of 10 feet (3000 mm) above the ductwork and a minimum diameter [inside refractory] of 3 feet (900 mm). Stub stack shall be provided with an internally insulated, removable, bolted and gasketed stack cover. Stack cover shall be removed only during regeneration. 查看更多5个回答 . 2人已关注