Railroad industry is considered as typical natural monopoly trade.铁路行业被认为是典型的自然垄断行业.Under Scott, Carnegie learned all about the railroad industry and later became a superintendent himself.为史考特工作时, 卡内基学到了所有与铁路工业有关的知识并于稍后成...
The inner surface of the hoop has rubber grips or steel cleats.环的内侧有橡皮抓子或钢楔子.So, what's the deep meaning behind the baseball cleats?那么告诉我你画这双棒球鞋到底要表达 什么 ?Does wood planking have cleats installed at end supports to p...
Helium is a very light gas.氦是一种非常轻的气体。A synthetic element produced in trace quantities by helium isotope bombardment of curium.锎一种合成元素,由氦同位素轰击锔可得到微量的这种元素.helium balloons for the children’s party儿童聚会用的氦气球Helium is a gas u...
In many Basidiomycetes barrages develop.在许多担子菌中也发生一些栅栏.Ganoderma lucidum is a species of basidiomycetes that belongs to Ganodermataceae of Aphyllophorales.灵芝是真菌类植物,在植物分类上属于非褶菌目灵芝菌科灵芝属.There are also some estimates of the...