electromagnetic gas valve
常見(jiàn)例句
- The problem of use safety of the gas is mainly solved by installing a gas leak alarm device, a mechanical arm controlled by an alarm and an electromagnetic valve.
燃?xì)馐褂冒踩珕?wèn)題主要靠安裝燃?xì)庑孤﹫?bào)警器、 報(bào)警器控制的機(jī)械手、電磁閥來(lái)解決。
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