常見例句雙語例句This paper introduced an automatic air mixing equipment for gas protection welding at work site, which can control the accurate proportion of airs.介紹了一種用于焊接現(xiàn)場的氣體保護焊的自動混氣設備，該設備能精確控制氣體混合比例。In the production process of poisonous gas safety endangers life and explosion in automatic control system, and the equipment selection are designed to prevent danger produce measures.生產(chǎn)過程中危及人生安全的有毒氣體的產(chǎn)生及爆炸的可能，在自動化控制系統(tǒng)設計及設備選擇上有防止危險產(chǎn)生的措施。 返回 gas control automatic equipment