常見(jiàn)例句雙語(yǔ)例句The circular permanent-magnetic chuck can be classified as straight stripe fine –pole type, ordinary pole type and radial pole type.圓形永磁吸磐按其結(jié)搆可分爲(wèi)直條密極，普通極和輻射狀極等形式。 返回 circular magnetic chuck