查询词典 shearer

This paper expounds the development history of the drum-type shearer, and analyzes the structure and technical features of electrical haulage shearer.

叙述了滚筒式采煤机的发展过程，分析了电牵引采煤机的结构和技术特征。

Mathematical models of shearer parameters and noise of coal working face, shearer parameters and temperature of coal working face were established according to appropriate hypothesis and predigestion. Based on established models, corresponding simulation programs were compiled, and simulation research was proceeded.

通过必要的假设与简化，建立了采煤机参数与工作面噪声和温升之间关系的数学模型，编制了相应的计算机模拟程序，利用所建模型进行了模拟研究。

On the base of simply introducing running transmission mechanism of shearer,according to the theory of rack and pinion engagement,mainly analyses impact cause resulted from toothing between shearer involute sprocket and conveyor pin-rail ,using the specific parameters.

简单介绍了目前大功率采煤机的行走传动装置，并结合某采煤机渐开线行走轮和输送机销排销齿的具体参数，按照齿轮齿条啮合理论，分析了此渐开线行走轮和销齿啮合产生冲击的原因之一。

With the traditional vertical layout of the single-motor compared to Shearer, Shearer will be the ranging-arm installed directly in the cutting of the shell, gear device exclusively on cutting Shell and planetary reducer, the abolition of the spiral bevel gears, gear box fixed, Rocker rotating sets of structures, their structure is simpler, more compact and higher reliability.

与传统的纵向布置的单电机采煤机相比，该采煤机将截割电机直接安装在截割部壳体内，齿轮减速装置全部集中在截割部壳体及行星减速器内，取消了螺旋伞齿轮、固定减速箱、摇臂回转套等结构，使其结构更简单、紧凑，可靠性更高。

Shepherd could not rate Shearer higher and has described his centre-forward as the greatest player in United's history.

谢泼德一直给予希勒至高的评价，将他奉为"纽卡历史上最伟大的球员"。

It serves not only as a guide rail for the shearer or the plow, but also as the pivot for support advance.

它不仅是一种导轨为采煤机或耕翻，而且也为纽带，为支持前进。

One of the coal mining equipment for the enterprise products, high-power electric haulage shearer 75 percent market share in domestic or international reputation.

其中煤炭采掘设备为企业的主导产品，大功率电牵引采煤机市场占有率达到75%，在国内和国际上享有盛誉。

Alan Shearer and Francis Jeffers are the joint top scorers for the Under-21s with 13 each.

希勒和杰夫斯是U21历史上并列头号射手－他们都打入了13球。

"Any centre forward playing under Kevin Keegan will love it," Shearer said.

"他喜欢进攻，他喜欢使用两个边锋尽可能的传中"

Not exactly short, he was so powerfully built he seemed more stocky than he was, with massive shoulders and a huge chest, a big leonine head, long arms like a shearer.

译文1：他的个头不矮，体魄强壮有力，这使他似乎显得比他实际的样子更矮粗，他两肩宽厚，胸膛宽阔，硕大的狮子头，两臂很长，象剪毛工。

The United Kingdom has pledged to provide technical assistance to the peacekeeping effort in Darfur, including airlifting supplies and equipment to assist the African peacekeepers.

英国承诺为达佛的維和努力提供技术帮助，包括提供非洲的維和部队空运补給和裝备。

Results: The level of ET-1mRNA in placental villus was significantly higher in pre-eclamptic women than that in control group.

结果：妊高征组患者胎盘绒毛组织ET-1 mRNA的表达较正常妊娠组明显增高。