短語(yǔ)詞組短語(yǔ)watt -hour meter check 電能表校驗(yàn)standard watt -hour meter 標(biāo)準(zhǔn)瓦時(shí)計(jì)ZB Watt -hour meter ZB型電能表special watt -hour meter 特種電能表rate watt -hour meter 費(fèi)率電能表digital watt -hour meter 電子式電能表civil watt -hour meter 民用電度表 返回 watt-hour meter