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....
This degree programme is fully accredited by the Institution of Electrical Engineers.这门学位课程经电气工程师学院鉴定完全合格。He was transferred to Shoal Creek Mental Institution for an indefinite period.他被转到了肖尔溪精神病院，要在那里无限期地呆下去。Class size ...