The outstanding performance in antioxidation and anti - cautery extended the duration of all the parts in transmission.优良的抗氧化能力及抗腐蚀能力,延长所有传动部件寿命.The mechanism of synthetic diamond antioxidation is also discussed.同时,探讨了人造...
His priceless collection of Chinese art and artefacts was garnered over three decades.他那批价值连城的中国艺术品和手工艺品是花了30多年才收集起来的。The artefacts have gone to Lima for safe keeping.文物被送到利马妥善保管.Ghosts and blurred area artefacts appear ...