短語詞組短語magnetic motive force 磁動勢;磁動勢磁動力;磁動力magnetic -force welding 磁力焊接法magnetic c force 磁力;磁場力magnetic line force 磁力線superconducting magnetic levitation force 超導磁懸浮力magnetic retentive force 磁性固位力equivalent magnetic pressure force 等效磁壓力gradient magnetic field force 梯度磁場力Magnetic Motive Force Current 磁動勢電路 返回 magnetic force