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.
The Niagara Falls is one of the natural wonders of the world.尼亚加拉瀑布是世界天然奇景之一.Niagara Falls is one of the greatest marvel in the world.尼亚加拉瀑布是世界大奇景之一.Niagara falls is a noble sight.尼亚加拉瀑布是一壮观的景色....