GE began selling Lexan in 1957. A potential replacement for glass and metal, it was used for everything from electric coffeemakers to the light covers on the wings of supersonic aircraft.
通用从1957年开始销售聚碳酸酯以逐步取代玻璃和金属，它的应用非常广泛，从电子咖啡机到超音速飞行器的表面材料。
Considering the critical components like reactor coolant lines and oil-well casings, the metal parts are subjected to prior replacement, for safety, with respect to a worst-case analysis of failure.
考虑到关键部件如反应堆冷却剂线和油井涂层不能出现问题，为了安全，并对失效做了最坏的分析，这类金属零件会得到优先更换。
Valve Advantages: The replacement of elastomeric packings by metal diaphragms gives this valve superior leak integrity at the top works of the valve and stem.
阀门的优点：用金属横膈膜代替人造橡胶衬垫在阀门和阀杆的顶部机件处给予了这种阀门出众的泄漏完整性。
Titanium alloys are widely used in clinic as the preferred metal material for the replacement and restoration of surgical implants.
钛合金作为人体硬组织替代物和修复物的首选材料在临床上得到广泛的应用。
They learn to charge air conditioners, mix and match paint colors, and shape metal, plastic, and Fiberglas replacement parts.
也学习给空调充电，调和和搭配油漆颜色，打造金属模具和玻璃纤维替换等内容。
Bioactive ceramic-coated metal has the predominance of both metal and ceramics, so it is considered as a kind of the most promising bone replacement material.
金属基生物活性陶瓷涂层由于具有金属和生物活性陶瓷的综合优势，被认为是目前最有前途的一种承重骨替换材料。
Iron line replacement method is used to recovery metal silver from silver sulfate in COD waste liquid, and it is reused to analyze, so analysis cost and environment pollution are decreased.
对COD废液中的硫酸银，采用铁线置换法回收金属银，进行循环使用，降低了分析费用，减小了环境污染。
The perspiration, water and a replacement, especially suitable for mechanical parts and pieces of metal processing rust-proof archive.
对汗渍、水有中和置换作用、特别适用于机械零部件及金属加工件的封存防锈。
Repairs damage to metal, fibreglass and plastic body work on vehicles and forms replacement vehicle panels.
修复车辆的金属、玻璃纤维和塑料车身的损坏，更换车身。
While the indium absorbed by a muriatic acid is manufactured into the finished product of a metal indium ingot after iron-removing and replacement processing.
而经用盐酸解吸下来的铟再经除铁置换处理后制成金属铟锭成品。
PANELBEATERS repair damage to metal, fibreglass and plastic body work on vehicles, and form replacement vehicle panels.
修复车辆的金属、玻璃纤维和塑料车身的损坏，更换车身。
FDZ-5B coating process is a low-cost and good replacement of hot-air solder leveled process and other metal finishing processes.
FDZ 5b有机保焊涂覆工艺是一种价廉物美的取代热风整平和其它金属精饰的新工艺。
The replacement of elastomeric seals with metal diaphragms gives this valve superior leak integrity to the atmosphere.
用金属横膈膜代替人造橡胶密封给予了这种阀门更好的对空气的泄漏完整性。
Purpose Present study investigated the role of metal on metal surface replacement of the hip in treating the young patients suffering rheumatoid arthritis or aseptic necrosis of femoral head.
目的探讨金属对金属人工全髋表面置换术治疗类风湿性关节炎和股骨头无菌性坏死的临床价值。
To reduce the cost of DSSC. researchers have begun to pay close attention to the use of non-metallic organic photosensitizer dye as replacement of precious metal complexes in recent years.
为了降低DSSC的成本，最近几年研究者们开始关注使用非金属有机光敏剂染料来代替贵金属配合物。
Objective:To study the clinical application and effect about metal-on-metal big head cementless total hip replacement.
目的：研究金属对金属大头全髋关节置换术的临床应用及疗效。
Objective:To study the clinical application and effect about metal-on-metal big head cementless total hip replacement.
目的：研究金属对金属大头全髋关节置换术的临床应用及疗效。
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