镗孔钻头,勘探钻头;
It discusses the influences of each factor on coring of mixing pile from borer, drilling level, boring bit, geologic condition, length, arrangement and type of pile, stadium and external condition, in order to ensure coring quality of mixing pile.
从钻机、钻探水平、钻头、地质条件、桩长、桩布置及桩类型、龄期、外界条件等方面详细论述了各影响因素对搅拌桩取芯的影响,以保证搅拌桩的取芯质量。
As part of a project called "Funnycross," Guelov uses bold colors and geometric designs to infuse otherwise boring crosswalks with a bit of uplifting art.
圭尔夫运用大胆的颜色和几何图形设计为原本单调的人行横道注入些许令人兴奋的艺术元素。
Study on Technique of Drawing out Head of Boring Bar Broken inside Bit
取出断入钻头内的钎杆头技术研究
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