最成功的是真空镀铝塑料膜的“太空服. ”The most successful had been the'space blanket " of vacuum aluminised plastic film.实际上, 两块半镀银的或镀铝的光学平面玻璃构成了反射界面.In practice, two semisilvered or aluminized glass optical flats from the reflecting...
He wore patent leather shoes.他穿着漆皮鞋。P&G applied for a patent on its cookies.宝洁公司为它的饼干申请专利权。It sued Centrocorp for patent infringement.它诉Centrocorp公司侵犯专利权。...
Elsie, who had been told that Maria wasn't well, plied her with food...埃尔茜得知玛丽亚身体不适，就不停地给她弄吃的。Eighteen boats plied the 1,000 miles of river along a trading route...18艘船沿着贸易航线往返于1,000英里的河面上。Giovanni plied him with qu...
The pic is not clear, but it feels like drawbench silver work.图还是看不清, 但感觉是拉丝银工艺.Cold working strain phosphating includes drawbench phosphating, cold extrusion phosphating and cold stamping phosphating.冷加变形磷化主要包括拉丝磷化 、 冷挤...