“portable extinguisher”写句子 用portable extinguisher造句大全
06-22
Replaceportableextinguisherswithbrokenseals.Testcertificatesofportableextinguishersingalleyexpired.Bosun,youmustbringportableextinguishers.Engineroomwillbeinformedofstandbyfiremainsintheeventofemergen...