巖坎 的英文怎麼說
中文拼音 [yánkǎn]-
The coqen basin in xizang lies between the bangong - nujiang suture zone and yarlung zangbo suture zone, and once extended northwards and southwards, respectively centred by the qiekan - goicang - asog rift zone as the center of deposition and subsidence during the middle jurassic to the early creatceous. ( 1 ) during the middle - late jurassic, the rift zone was occupied by deep - water turbidites, radiolarian siliceous rocks, shallow - water carbonate rocks, clastic rocks and basic - ultrabasic rocks, while both sides of it by littoral and shallow marine elastic rocks and carbonate rocks
摘要位於班公湖怒江縫合帶與雅魯藏布江縫合帶之間的措勤盆地，在中侏羅世早白堊世期間具有以且坎古昌阿索裂谷帶為沉積、沉降中心向南北兩側展開的古地理格局：中晚侏羅世時期，裂谷帶內由深水濁積巖、放射蟲硅質巖和淺水碳酸鹽巖、碎屑巖巖片及基性超基性巖等組成；裂谷帶兩側由濱淺海相碎屑巖和碳酸鹽巖組成。The waterfall looks like an atlas of china territory. it ' s acclaimed as the peak of perfection for the fall is usually becoming ice pillar in winter while waterfall in summer
因24億年左右形成的二長花崗巖斷崖巖壁酷似中國版圖而得名的中國瀑布自陡坎斷崖凌空跌落而下，落差近百米，常年水流飛泄，波逐濤涌，無比壯觀，冬為冰柱，夏為瀑布，令人嘆為觀止。Based on the engineering practice of the side slope excavation of dayanchi section within the road for the construction traffic of guandi hydropower station, the problems such as the selection of blasthole distance for presplit blasting, and the rock ridge, the levelness of the presplit face, lower hole - making rate of the auxiliary blastholes after the presplit blasting, the blasting network for prespliting and blasting zone and the angle change of the presplit hole etc. are analyzed ; for which the specific solutions are put forward herein as well
摘要通過官地水電站對外交通公路大鹽池合同段邊坡開挖中預裂爆破的工程實踐，對預裂爆破的孔距選擇及下部嚴重出現巖坎、預裂面平整度、預裂爆破后輔助孔成孔率低、預裂與爆破區爆破網路以及預裂孔角度變化等問題進行分析，提出了具體的解決方法。
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