He crouched behind a low hedgerow.他蹲在一排低矮的树篱后面。More than a hundred thousand miles of hedgerow have been lost since 1945.自1945年以来，已有10万多英里的树篱被砍掉了。In the Northwest, they are being planted by hedgerow on seedling roots, clo...
Light interception and distribution in hedgerow orchards with different alleyway widths is indicated in Fig . 56.图56显示篱壁果园不同行间宽度的光能截取和分配的情况.More than a hundred thousand miles of hedgerow have been lost since 1945.自1945年以...
亚胺基杂环丙烷季铵盐的阳离子,一定是按协同反应的方式开环的.The aziridinium ions must all be opened by a concerted process.阳离子表面活性剂通常为季铵盐类.Cationics are usually quaternary ammomium salts.反 离子通常是钠, 钾和铵.The usual counter - ions are sodium, potassium an...
...food depots.食品仓库Public transportation termini and depots are important infrastructures for a city.公交场站设施是城市重要的基础设施.In the coastal cities are equipped with after - sales service and depots.在各沿海城市均设有服务部及售后维修站.Suitable t...