Brass, copper, stainless steel, bismuth, and lead are all suitable.黄铜 、 铜 、 不锈钢 、 铋及铅都是适合的.Tin - bismuth alloy was electroplating by electrodepositing associated with ultrasonic agitation.将超声和电沉积相结合电镀了锡铋合金.Aim To study t...
The belt may make a squealing noise and throw off sooty black particles of rubber...传送带会发出刺耳的噪音并释放出乌黑的橡胶颗粒。The noise that trunks and ambulances made in the street rankles me every day.每天大街上卡车和救护车的噪音令我恼怒不已.I don't mi...
A clear, hinged foot , perfect for easy maneuvering when sewing applique pieces.透明的材质可清楚的看见车缝的位置,更容易调整方向, 让您做出完美的绣花.Cooking,sewing,and house keeping are household arts.煮饭、缝衣和料理家务都是持家的艺术。They reinforced a coat by sewing p...
She dusted herself down and left to build her own career.她重振旗鼓去开创自己的事业了。Try to support each other when one of you is feeling down.当有人觉得情绪低落时，要努力相互打气。One of the office girls was down with the flu.一位女职员得了流感。...