盾

The Saracen came on at the speedy gallop of an Arab horseman, managing his steed more by his limbs, and the inflection of his body, than by any use of the reins, which hung loose in his left hand; so that he was enabled to wield the light round buckler of the skin of the rhinoceros, ornamented with silver loops, which he wore on his arm, swinging it as if he meant to oppose its slender circle to the formidable thrust of the western lance.

撒拉逊人用阿拉伯骑士惯常的高速冲来，他靠移动身子操纵坐骑，很少动用松松地挂在腕上的缰绳，空出来的左手拿着一面包着犀牛皮的圆盾，盾上的银环套在他的臂上，现在他晃着这面小盾，象是要靠它来抵挡西方人长矛的猛刺。

Taking Beijing rail transit line as an example, this paper analyses the influence of ground to type selection, and makes risk evaluation of various types of shield machine.

以北京铁路地下直径线为例，通过工程地质分析、地层对盾构的选型影响分析以及不同类型盾构的风险评估等方面进行盾构选型分析，可供类似工程作参考。

With the purposes to shorten development period of shield control system and avoid the unsafety of imperfect-designed control system when connected directly to the shield and at the same time, for the convenience of optimal design and remote failure diagnosing of the system, it is very important to develop a test bench for the shield control system.

为缩短盾构控制系统的研发周期，避免在控制系统设计不完善时直接与盾构联机所带来的不安全性，同时也为了便于系统的优化设计和系统的远程故障诊断，有必要研制盾构控制系统检测式验台。

Under the construction conditions of different shield driving forces and without in-phase grouting, mutual influences of construction of shield tunnels traversing adjacently under existing underground large-scale structures were studied with the numerical simulation and 3D model tests.

建立了盾构掘进三维有限元模型，针对不同的盾构推进力和同步注浆未及时起到支撑作用的施工工况，采用数值模拟和室内相似模型试验方法进行了盾构隧道近接下穿地下大型结构施工的影响研究。

Any of several aquatic plants of the genus Cabomba, having opposite, finely divided, fanlike submersed leaves and alternate, entire, peltate floating leaves.

水盾草水盾草属水草植物，有相对立的、扇形的水中生长的分叶及交错的完整盾状浮叶

In the inviting bid of shielding equipments, in order to make sure the safety and reliability of constructions float control price took the place of low price in biding. After open bid, the four parts of Line 1 phrase 1 all adopted soil pressure balance shield and turbid shield equipments from Germany Herrenknecht Co.Ltd, and the first drivage shielding equipment was named "Innovation".

在盾构设备的招标上，为了充分保证施工安全和可靠，并没有提倡低价中标，而是设了投标控制价，通过公开招投标后，成都地铁1号线一期工程四个标段均采用德国海瑞克的土压平衡和泥水盾构，并将第一台掘进盾构命名为&创新号&。

LiWei INC was founded in 1999, integrating scientific research, design, production, operating in one, professional production and sale of Rock Drilling, mining accessories, engineering tools, rock drilling tools, milling machine milling teeth, milling Machine Cutter, road Mixer Cutter, coal mine cut teeth with various types of Shearer with conical teeth, knife-shaped cross-sectional tooth, boring machine with boring tooth, shield knives, metro shield machine shield configuration tools and various types of mining bits, rock drills, anchor drills, rotary drilling engineering cut-off teeth, using rotary drilling rig Rotary Drilling teeth, tooth roadheader, Rotary Drilling teeth, bucket teeth, tooth Block, and a variety of Rock Drilling Bits, including word, cross drill head, the ball tooth drill head, drill sets, drill tail, drill rod and so on.

香港立威刀具有限公司始建于1999年，集科研、设计、生产、经营于一体，专业生产和销售凿岩钎具、矿山配件、工程工具、岩土钻掘工具、铣刨机用铣刨齿、铣刨机刀头、路拌机刀头、煤矿用截齿、各种型号的采煤机用镐形截齿、刀形截齿、掘进机用掘进齿、盾构刀具、地铁盾构机用盾构刀具及各种型号的矿用钻头、岩石钻头、锚杆钻头、工程用旋挖截齿、旋挖钻机用旋挖齿、掘进机截齿、旋挖齿、斗齿、齿座和各种凿岩钎具包括一字钎头、十字钎头、球齿钎头、钎套、钎尾、钎杆等。

We are the only company to master techniques of shield tunneling in petroleum and petrochemical fields. We have 3 sets of slurry balanced shield tunneling machine produced by Germany with world advanced technology, including 1 set of 2440mm inner diameter and 2 sets of 3000mm inner diameter, with total value of RMB113 million. We have the ability of construction in various complicated ground condition and annual completed tunnel will be more than 6km.

公司是石油、石化行业唯一掌握盾构施工技术的企业，拥有代表世界先进水平的德产泥水平衡式盾构机3台，其中1台内径为2.44米，2台内径为3米，总价值 1.13亿元，具备驾驭各种复杂地质条件的施工能力，每年可完成隧道盾构6公里。

By mechanics analysis of ground deformation, this paper makes a systematic research on the affecting factors of ground deformation of shield tunnel and excavation and establishes a predicted model of ground deformation based on neural network. This model is applied to predict actual ground deformation caused by shield tunnel and excavation in Shanghai, Guangzhou, Nanjing etc.

本文以盾构法隧道和基坑为研究对象，通过对地面变形机理的分析，全面系统地从理论上探讨了盾构隧道和基坑引起地面变形的影响因素，建立了基于神经网络的地面变形预测模型，并运用该模型对上海、广州、南京等城市的盾构隧道和基坑工程所引起的地面变形进行了实际预测，获得了令人满意的预测结果。

There are plenty of grits and screes in stratum of Beijing area . Shield machine cutter suffers from high stress grain-abrasion and impact when it constructs subway by shield method .

北京地区地层中含有大量的砂砾和卵石，地铁盾构施工时，盾构机刀具受到砂砾，卵石的冲击和高应力磨粒磨损，进口盾构机刀具的挖掘长度仅为250米左右。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。