Standard practice for collection and handling of soils obtained in core barrel samplers for environmental investigations 環(huán)境勘察用巖心管樣品機(jī)獲取的土壤的收集和處置的標(biāo)準(zhǔn)實(shí)施規(guī)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 它是一種焊接式鉆頭,由短鉆頭體,取芯管和接首三者聯(lián)結(jié)而成,鉆孔快而穩(wěn),巖芯表面光滑。
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 ” 面對(duì)一個(gè)既有核心筒體,四角又存在剪刀墻及超寬柱的800平方的塔樓建筑,妄圖將其揉化出一種業(yè)主要求的所謂“深邃的時(shí)尚” ,我們才決定從“回旋、光影、鏡射、 ”三個(gè)角度入手。