A static phase advancer is an on - the - spot compensating device for a large - scale or medium - scale induction motor.静止进相器是专为 大中型 绕线式电机节能降耗设计的无功率就地补偿装置....
...patients with a welter of confusing symptoms.有一堆疑难症状的病人a welter of information一大堆杂乱的信息In the latest welter of housing data, some have seen green shoots.有些人在最近杂乱无章的房屋数据中看到了复苏的萌芽....the welter of publicity that followed...