粘结剂对纤维的集束性能是必需的.A binder is necessary for strand integrity.在混凝土中水泥是粘结剂.Cement is the bond in concrete.对所有粘结剂粘结的首先要求,就是必须能浸润基材.The first requirement for any adhesive bond is that the adhesive most wet the substrate....
衣着则会受到微尘 、 羽毛和粪便的污染.Clothing can also become contaminated with dust, feathers, and excrement.粪便的成分及结构在后面一章再讨论.The composition and structure of the casts will be discussed in a later chapter.鸡舍的清洁设备和运输工具通常都会有垫料和粪便的积垢.Poul...
Global Development Finance 2005: Mobilizing Finance and Managing Vulnerability.世界银行发布《2005年全球发展金融》.The interview will generally center round managing and cooperating skills.访谈将围绕管理和合作技巧展开.Richard Stengel , the managing e...
The guns went “boom”.大炮发出“轰轰”声。I'm a product of the postwar baby boom.我出生在战后的生育高峰期。The hoped - for boom never materialised.期待的繁荣从未变为现实....a boom year at the cinema, with record advertising revenue and the highest ti...
The main reasons of low output and quality were infected by Dasheen mosaic virus ( DMV ) in Araceae.芋 花叶病毒 病是造成天星科植物产量下降,品质劣变的主要原因.He helped me get to know a plant called araceae.经他一说我才知道,原来天南星就是虎尾草呀.A new variety of Aco...