他们还留下了一张名片，上面印着肖恩·林奇的名字。They also left a card, imprinted with the name Sean Lynch.莉萨对男朋友肖恩吊儿郎当的态度非常恼火。Lisa was irritated by the slovenly attitude of her boyfriend Sean.肖恩·麦卡利斯特也为校篮球队效过力。Shaun McCalister also played for t...
导线的两端联接到裂环整流器.The two ends of the wire are connected to a split - ring commutator.同步 低频 整流器与推挽整流器相似.The synchronized low - frequency rectifier is similar to a push - pull rectifier.低谐波 、 高功率因数 、 带有滤波器件的整流器.Low harmonics,...