1) Bench root
台阶根底
3) canal bottom hole step surface
导管底孔台阶面
1.
Having been combined with the experiences,a facing height measuring tool has been designed to deal with the height from the spring holder face of cylinder head top and canal bottom hole step surface to the bottom which only can be measured difficultly by the check floor and tri-coordinates.
针对气缸盖顶面上的弹簧座端面、导管底孔台阶面到底面的高度尺寸原来只能用检测平台或三坐标检测造成操作困难的问题,结合实践经验,设计了一种端面高度检具,通过导管底孔,能快捷地检测气缸盖弹簧座孔端面、导管底孔台阶面到底面的高度尺寸,检具轻便、可靠,操作简单。
4) terraced substrate laser
台阶式衬底激光器
5) toe rock
根底
1.
Some measures of lessening large fragment and toe rock in medium-length hole blasting as well as their effects in Yongping Copper Mine are described.
介绍江西铜业公司永平铜矿针对中深孔爆破采矿中出现大块和根底现象所采取的措施及其效果。
2.
Base on the opencast mine explosive theory research and practice in Gan chong Limestone Mine,the main reasons for toe rock occurring in deep hole bench blasting is checked out,then effective technical measures to eliminate toe rock blasting are proposed,which achieve good results in the application,and can provide reference for the mine blasting design and blasting operation.
通过对露天矿山爆破作用机理的理论探讨和在甘冲石灰石矿的应用实践,指出影响山坡露天矿台阶深孔爆破产生根底的主要原因,并提出有效消除爆破根底的技术措施,在应用中取得了良好的效果,为矿山进行爆破设计和爆破作业提供参考。
6) toe
[英][təʊ] [美][to]
根底
1.
Elimination methods of blasting toes in open stope of Tiegukeng mine;
铁古坑矿露天采场爆破根底的消除方法
补充资料：根底
根底
toe rock
gend-根底(t oe rock)爆破后残留在露天台阶底部，超过下部台阶水平的岩体部分。露天台阶爆破时，有无根底产生是衡量爆破质量优劣的一个重要指标，有根底的爆堆，使挖掘机生产能力下降、增加设备故障和机件磨损、降低设备利用率，同时打乱采场的正常作业循环。为防止产生根底，应适应岩石结构，采用合理的孔网参数、正确的起爆顺序、足够的药量和防止拒爆等。在难爆矿岩或抵抗线过大爆破时，还应采取增加孔底药量或用高威力炸药等综合措施。消除已产生的根底，通常采用浅眼爆破法。 (曾世奇)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条