英语词汇“door sill”的读音、翻译、释义、用法及例句-开邑网

词汇	door sill
释义	door silldoor sill1.■门槛
随便看	switching switching action switching algebra switching amplifier switching angle switching arc switching area switching boundary switching by gravitation switching cable switching capacity filter switching center switching centre switching characteristic switching circuit switching clamper switching code switching coefficient switching column technique switching command switching computer switching configuration switching connector switching constant switching contact

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