单词	gas helmet
释义	gas helmet Thesaurus Noun 1. gas helmet - a protective mask with a filter; protects the face and lungs against poisonous gasesgasmask, respiratormask - a protective covering worn over the face gas helmet noun Synonyms for gas helmet noun a protective mask with a filter Synonyms gasmask respirator Related Words mask
随便看	signaling and end point application signaling approach signaling approach on dividend policy signaling cell signaling common channel signaling communication channel signaling communications network signaling connection control signaling connection control part signaling control function signaling control point signaling control point management system signaling control point management system extended signaling control point transport application signaling data link signaling data link allocation signaling device signaling end point signaling for signaling gateway signaling gateway controller signaling gateway function signaling gateway manager signaling gateway process signaling identification assigned by exchange a

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