A cyanide free silver electroplating process with 5, 5 - dimethyl hydantoin as coordination agent is studied.研究了5, 5- 二甲基乙内酰脲为配位剂的无氰镀银工艺.The process of cyanide free silver pulse electroplating is investigated in 5, 5 - d...
Her dresss was bedaubed with cheap finery.她的衣裙上俗气地缀满了便宜的饰品.The windows were bedaubed with paint.窗户用油漆涂饰.The boys bedaubed the wall with mud.这些男孩把墙涂满了泥巴....
He sat on a tapestry cushion next to the hearth...他坐在壁炉边上的一块绣花软垫上。How about this artistic tapestry and this cloisonne vase?这件艺术挂毯和这个景泰蓝花瓶 怎么样 ?The seats of the chairs had been recovered in tapestry...椅座上又铺回了花毯。The Bayeux...