toroid

网络环形线圈; 螺绕环; 环体; 超环面 复数：toroids 双语例句 The magnitude of the current depends on the resistivity near the bit, and is measured by another toroid. 电流大小与钻头附近电阻率有关，由另一个螺旋线圈测量。 Of or relating to or shaped...