This is called nesting or cocooning.这就是所谓的筑巢或结茧.The technique of comprehensive cocooning can keep the cocooned from rusting for 2 - 5 years.综合封存技术可以保证被封存件2 ～ 5年不生锈....
一名办事员会感到如此受人忽视，令人觉得不可思议。It was strange, how invisible a clerk could feel.他在一家银行当办事员.He serves as a clerk in a bank.有个神态安适的办事员在当班，在手动打字机上啪嗒啪嗒地打着字。There was a comfortable-looking clerk on duty, tapping away on a manual typ...
The Baguamiao gold deposit in a sort of mesothermal hypothermal carbonate type gold deposit.八卦庙金矿床是分布于秦岭造山带中的一种中高温碳酸盐型热液金矿床.The deposit is genetically of hypothermal type . Ore _ forming solutions have abundant acidulous...