极值继电器maximum: n. (pl. maximums, -ma ) 极点,最 ...minimum: n. (pl. minimums, -ma ) 最小,最 ...relay: n. 1.接替的马;驿马;接替的狗;(备有接替马匹的)旅 ...minimum relay: 低载继电器; 低值继电器maximum and minimum: 极大和极小下载手机词典可随时随地查词查翻译