英语词汇“operational sign”的读音、翻译、释义、用法及例句-啃外文网

词汇	operational sign
释义	见:sign: operational sign
随便看	metallic speech-path switching element metallic sponge metallic spray coating metallics spiral core wire rope metallic state metallic structure metallic stuffing metallic stuffing box metallic substrate metallic taste metallic -tile metallic tuning fork metal(lic) valence metallic vapor laser metallide metalliferous metalliferous veins metal lift-off technology metallify metallike metalline metal line cut metal-lined hose metal-lined tunnel metal line stability

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