Influence of Work Hardening on Railway Frog Surface Spalling of 1.14C-12.72Mn High Manganese Steel;
加工硬化对1.14C-12.72Mn钢铁路辙叉表面剥落的影响
Finite Element Analysis on Stress Conditions of High Manganese Steel Railway Frog;
高锰钢铁路辙叉应力状态有限元分析
A railway frog made of high manganese steel failed before an expected life due to spalling of the nose rail.
高锰钢铁路辙叉在使用过程中因心轨表面龟裂剥落而提前失效,对其进行了扫描电镜观察和能谱仪测试分析。
Optimization and Preliminary Application of ISSR-PCR Amplification for Cycas segmentifida;
叉孢苏铁ISSR反应条件的优化及初步应用
Study on anatomy of the stem of Cycas segmentifida
叉孢苏铁茎的解剖学研究
Cycas segmentifida complex is composed of eight formerly described speicies which share similar morphology and affinity.
叉孢苏铁复合体(Cycas segmentifida complex)包括形态上相似、亲缘关系相近已描述的八个种,即叉孢苏铁(C。
Establishment of Cycas micholitzii ISSR-PCR Optimal Conditions with Orthogonal Optimization Method;
利用正交设计法对叉叶苏铁ISSR-PCR反应体系的优化研究
Because the limited range and the quantity of Cycas micholitzii which is involved in the second class of the Protected Plants in China.
由于叉叶苏铁分布范围小,数量少,是我国公布的二类保护植物。
Stangerioides, the Most Advanced Species of Cycas;
叉叶类苏铁是苏铁属植物中最进化的种群
Investigations on the Surface Spalling Mechanism and Performance Improvement of ZG-Mn13 Railway Frog;
ZG-Mn13铁路辙叉表面剥落机理及其性能改进研究
The vertex of the angle created by the intersection of rails in a frog or switch.
辙叉角在岔心或岔道上，由铁轨交叉而成的角的顶点
A place at which roads, lines, or tracks intersect;an intersection.
交叉路口公路、铁路或道路交叉的地点；交叉路口
rail bound manganese steel frog
钢轨组合锰钢叉心辙叉
A device on intersecting railroad tracks that permits wheels to cross the junction.
辙叉装在火车铁轨相交处使车轮穿过连接处的装置
This street crosses the railroad tracks.
这条街和铁路交叉。
the spot where the railroad tracks bisect the highway
铁道与公路的交叉点
Studies on Control Technology of Brushless DC Motor in Railway Switch;
铁路转辙机用无刷直流电动机控制技术研究
Research and Development on Testing and Management System of Rail Point Machine;
铁路转辙机测试与管理综合系统的研究与开发
Design of Railway Hydraulic Switch Machines Real-Time Monitoring System
铁路道岔液压转辙机实时监测系统设计
A movable rail, tapered at the end, such as that used in a railroad switch.
转辙器一端尖细可移动的铁轨，如用于铁路岔道的
Ahead of us there is a railroad crossing a highway at grade.
前面有一条铁路与公路平面交叉。
ungated level crossing
无道口栏木的公路与铁路交叉
The safety gates at the railroad crossing are lowering.
铁路交叉路口的安全闸正在放下来。
A short connecting track by which a train can be transferred from one line to another
转辙轨，渡线使火车从一条铁路线转到另一条铁路线上的短的连接轨道
There the railway forks to A and B (places).
这条铁路在那儿分叉通向甲乙两地。
An hour later they hit the angle of the highway and the railway.
一个小时后，他们到了铁路和公路交叉的地方。
distance between nose and fine nose
辙叉尖端和理论尖端间的距离