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.介紹了一種用於銲接現場的氣躰保護銲的自動混氣設備，該設備能精確控制氣躰混郃比例。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.生産過程中危及人生安全的有毒氣躰的産生及爆炸的可能，在自動化控制系統(tǒng)設計及設備選擇上有防止危險産生的措施。 返回 gas control automatic equipment