Chinese translation for "硬岩层"

shelly formation

Related Translations:

岩层模型:  strata model

强岩层:  competent bedscompetentbed

岩层单位:  lithogenetic unit

岩层渗透性:  formation permeability

剥蚀岩层:  denudation terrace

岩层顶板:  top of bed

砾石岩层:  gravel

软岩层:  incompetent bedsoft diggingsoft formation

岩层顶:  rock head

源岩层:  source bed

Example Sentences:

	1.	Soft - medium hard rock formation 软-中硬岩层
	2.	Wedge hob drill head is applicable for medium harden rock layer , coarse grain granite , and it has below 9 - grade drillability . the compressive strength is no more than 10 of pull coefficient 楔齿滚刀钻头适合于中硬岩层，粗晶花岗岩，可钻性9级以下，抗压强度在普氏系数10 。
	3.	Drill efficiency could be promoted sharply in penetration of high - medium hard sand rock rock formation . its wings are of higher wear resistance and impact efficiency . to repeat repair grind are not necessary 大幅提高中硬岩层砂岩的钻进效率,刀翼耐磨抗冲击性强,不需反复修磨,钻头寿命长。
	4.	The present situation of many areas lack water seriously in china and execution of strategy of national geology survey makes it become urgent assignment that how to drill soft - middle hard rock rapidly and with high efficiency encountered frequently in drought and water - scarce area 摘要中国许多地区严重缺水的现状及国家地质大调查战略的实施，使得如何快速、高效钻进干旱缺水地区大量遇到的软中硬岩层成为当务之急。

Similar Words：

"硬烟煤" Chinese translation, "硬烟末" Chinese translation, "硬盐" Chinese translation, "硬岩" Chinese translation, "硬岩采石场" Chinese translation, "硬岩层中钻进" Chinese translation, "硬岩层钻井" Chinese translation, "硬岩地质学" Chinese translation, "硬岩粉末" Chinese translation, "硬岩粉土" Chinese translation