这个名称的碎石建设原则，是目前仍在使用的。
This name for the MacAdam building principle is still in use today.
FieldTurf还会寻求新的材料：也许使用可循环的塑胶地砖以代替底层的碎石层，这样草皮植入时会更加快捷，便宜。
FieldTurf is looking at new materials: instead of gravel underneath the surface, it might start using recycled plastic tiles, which would be faster and cheaper to install.
人们曾经使用“石结”基层——几层由石粉黏结在一起连续的碎石层。
Macadam type bases involving successive layers of crushed rock bound with rock dust were also used.
因此他就在压紧的路基上铺碎石基层，而不使用造价很高的石块路基。
Therefore he laid a base course of crushed stone on top of a compact footing instead of the costly stone foundation.
对那些不能自行排出的结石，碎石术经常被使用。
For kidney stones that do not pass on their own, a procedure called lithotripsy is often used.
在机制建筑砂、石料以及各种冶金矿渣的破碎中更是得到普遍使用，与其它类型的碎石机相比产量功效高。
In building sand, stone and mechanism of the breaking of metallurgical slag is obtained universal use, compared with other types of hammer apparatus production with high efficiency.
这座房子的楼梯年久失修，无法使用，布满了墙体的碎石片和塌落的天花板，天花板都已经凹陷进去了。
Thee property's staircase is too dangerous to use and is littered with wall chippings and parts of the ceiling, which has caved in.
分析城市道路水泥稳定碎石基层产生裂缝的原因，提出综合防治措施，以保证沥青混凝土路面的正常使用。
To keep the normal use of asphalt pavement, analyse the reason on basic crack for cement stable breakstone of the urban road, prate the method on prevention and cure.
为了提高路面结构中级配碎石基层的回弹模量，通过材料设计、路面结构组合设计和施工工艺设计，对级配碎石基层的使用性能进行了研究。
In order to enhance modulus, the design of materials, structural combination and construction technology of the graded broken stone base were studied.
评估使用超薄内窥镜的直接经口胆管镜检查下的钬激光碎石用于保留胆管结石的可行性，成功率及并发症。
To evaluate the feasibility, success rates, and complications of holmium laser lithotripsy under direct POC by using an ultra-slim endoscope for retained bile duct stones.
针对影响沥青混合料生产质量及沥青路面使用寿命的各种因素，提出对碎石粒径与级配、颗粒组成一致性、粗集料中0。
Based on the influencing factors on asphalt mixture quality and service life of pavement, the control methods of broken stone diameter, gradation, composition, content of grain less than 0.
针对目前现状，我们在RPC中掺加碎石等粗骨料取代一部分石英砂，在对其受力性能影响不大的情况下降低其使用成本。
For the present situation, we RPC mixed with gravel and other coarse aggregate, in the performance of its small force to lower the cost of its use.
沥青稳定碎石排水层作为路面结构的一部分，其力学性能直接影响整个路面的使用性能。
As a part of pavement structure, the mechanical behavior of asphalt treated permeable base (ATPB) affects the performance of roadway directly.
在阿格里克拉时代，人们使用木棒击碎石头来得到所需大小的颗粒（图5） 。
In Agricola's time, the ore was pounded with bats until the desired size of particles were obtained (Figure 5).
采用集料嵌挤方法进行级配设计，使用高粘度沥青增加沥青膜厚度，以析漏指标确定沥青用量，通过试验路提出大碎石沥青混合料柔性基层的施工工艺。
This mix must be used high viscous asphalt to increase asphalt membrane thickness. The mix design is based on aggregate inter-lock method and use leakage test to determine asphalt content.
本文介绍了一种新型的使用B型超声波检测仪定位的小型化体外冲击波碎石机。
This paper describes a new minim Extracorporeal Shock Wave Lithotripter (minim ESWLter) using a B-ultrasonic location system.
与其它加固方法相比，碎石桩不仅造价低，而且能消除土壤液化，因此被大量使用。
Compared with other methods of reinforcement, gravel pile can not only costs lower cost but also eliminate soil liquefaction. So, gravel pile is so large-scale used.
在该地采用碎石方格固沙既有使用寿命长，又有取材方便的优点。
Sand fixation using broken stone checker had a good durability. At the same time, the raw material could be facile and cheap.
结论：EBPH - P 1000型碎石机具有碎石颗粒细小，对肾脏损伤轻微等优点，值得在临床推广使用。
Conclusion: EBPH-P1000 piezoelectric lithotriptor has the advantage that stone particles are very small and the damage to kidney is little, it's worth popularizing in clinic.
本发明减少了碎石对机器的直接撞击，提高了机器的使用寿命，增强了机器的安全性能。
The invention reduces the direct impact of crushed stone on the stone breaker, prolongs the service life of the stone breaker, and strengthens the safe performance of the stone breaker.
虽然国产体外冲击波碎石机与国外最先进的优质碎石机相比，在技术和工艺上存在差距，但国产碎石机的临床使用效果是勿庸置疑的。
Although there is great technological disparity between the best foreign lithotripters and domestic ones, the clinical efficacy of the latter is quite good.
本发明涉及一种定位装置及使用该定位装置的碎石机。
The invention relates to a positioning device and a lithotripter using same.
减少水泥稳定碎石基层材料的干缩裂缝，对延长半刚性基层沥青路面的使用寿命至关重要。
It is extremely important to reduce dry shrinkage cracking of cement-stabilized macadam base course materials for prolonging service life of asphalt pavement with semi-rigid base.
最后，借鉴现有的沥青路面罩面衰变模型，通过对材料影响系数的修正，预估了纤维沥青碎石封层路面的使用寿命，突显了其优越性。
Finally, draw the existing asphalt pavement decay model, through amending the material influence coefficient, predict fiber asphalt chip seal pavement life, highlights its advantages.
本文对该结构类型碎石机的正确使用具有重要的指导意义。
This paper is of instructive importance to the correct use of rock breakers with this constructional configurat…
本发明碎石能力大，运行平稳，噪声低，性能可靠、操作方便、使用成本低，无尾气污染。
The fixed hydraulic stone breaker has strong capability of breaking stones, smooth running, low noise, reliable performance, convenient operation, low using cost and no tail gas pollution.
本发明碎石能力大，运行平稳，噪声低，性能可靠、操作方便、使用成本低，无尾气污染。
The fixed hydraulic stone breaker has strong capability of breaking stones, smooth running, low noise, reliable performance, convenient operation, low using cost and no tail gas pollution.
应用推荐