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petcock什么意思
petcock什么意思 petcock音标、翻译、用法
英语翻译时间：2023/3/2 2:00:16阅读：4291
petcock音标英 ['petkɒk]美 ['petˌkɒk]petcock翻译n.小活栓，小龙头；英英释义petcock[ 'petkɔk ]n.regulator consisting of a small cock or faucet or valve for letting out air or releasing compression or draining petcock用法权威例