永久性的防护剂主要用于衣服, 家用织物和军用品.Durable repelleuts are used mainly in apparel, household fabrics and militery good.载着粮食和军用品的船只不断地开过大西洋.Ships carrying essential supplies and munitions steamed continuously across the Atlantic.这些货物...
They'd been a dejected lot when he'd arrived at the shipyard, but now they sparkled with enthusiasm.他刚到船厂时，他们曾是一群垂头丧气的人，现在的他们却热情洋溢。After that, through the rifts in the inky clouds sparkled redder and yet more l...
钢包、中间包永久衬, 钢包底,钢包衬补浇等.Tundish and ladle safety linings, ladle bottom and mending installation of ladles.中间包吹氩是适应洁净钢冶炼的新技术、新方法.Argon blowing tundish is a new technology for production of clean steel.钢液的 非 等温现象对中间包内流体流动和传热...