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fire main system造句

"fire main system"是什么意思  
造句與例句手機版
  • Must have experience managing fire main systems & associated pumps , sprinkler systems and equipment , with knowledge of fire , pressure vessel , electrical codes and occupational safety codes
    懂得消防、壓力器,電學(xué)和保險裝置原理,必須有消防用水管系統(tǒng)和配套泵,自動噴淋系統(tǒng)的操作經(jīng)驗。
  • It's difficult to see fire main system in a sentence. 用fire main system造句挺難的
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