Standard practice for collection and handling of soils obtained in core barrel samplers for environmental investigations 环境勘察用岩心管样品机获取的土壤的收集和处置的标准实施规程
It is welding drills that jion up with bit body , core barrel and adaper . it drills hole quickly and steadily . the surface of drilling and coring is smooth 它是一种焊接式钻头,由短钻头体,取芯管和接首三者联结而成,钻孔快而稳,岩芯表面光滑。
Facing a 800m ? tower building that has a core barrel , shear walls and super - wide columns on the four corners , and attempting to have it the so - called “ profound fashion ” required by the owner , we decide and start with such three aspects as “ convolution , shade & shadow , reflection ” 面对一个既有核心筒体,四角又存在剪刀墙及超宽柱的800平方的塔楼建筑,妄图将其揉化出一种业主要求的所谓“深邃的时尚” ,我们才决定从“回旋、光影、镜射、 ”三个角度入手。
core barrelとは意味:炉心{ろしん}バレル core barrel meaning:[Architecture] The hollow cutting tool of a core drill ; consists of a section of pipe which has a carbide insert or diamond cutting edge. core barrel перевод:корзина активной зоны (ядерного реактора) колонковая труба, каркас стержня