DictionaryForumContacts

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环形阀 huánxíng fá
compr. annular ring valve
oil annulus valve; ring valve
shipb. annular plate valve
tech. annual valve (门); annular plate valve (门); annular ring valve (门); ring gate (门); ring valve (门)
wind. annular valve
环形阀: 6 phrases in 2 subjects
Aviation1
Technology5