Researches on the new Zs - Series fibroin protective rapid souring agents.介绍了ZS系列丝素保护快速精练剂的应用范围和性能,并与国内外常用精练剂作了对比试验.Ditto credit : undeterred by souring quality, banks remain under pressure to lend.放贷也可能抬头, 银行仍承受着放贷的压力,而...
Its ferrule followed lightly on the path, squealing at his heels.手杖上的金属包头沿着小径轻快地跟随着他, 在他的脚后跟吱吱作响.A ferrule and eraser are crimped into place on each pencil.金属环把橡皮头固定到每一根铅笔上.The tapered legs, each fitted with a brass ferr...