主梁

Some seeable cracks have been produced on the saddle shaped end beams of trolley frame for 150 t metallurgy crane after more than 10 year service .

某150t冶金起重机，投产运行10多年时间后，主小车架马鞍形端梁局部产生可见裂纹。

The construction steps in rigid-frame bridge construction are full framing erection, in-situ casting of arch rib and straining concrete beam,folding of the arch ribs into a whole arch together,installation of the minor angle block and concrete filling till the deck forms into an integrity.

钢筋混凝土刚架拱桥现浇施工工艺主要是搭设满堂拱架，现浇拱片、横系梁混凝土，使主拱先合拢成单片拱片，然后安装微弯板、再浇筑混凝土填平层及桥面形成整体。

B The cost of keeping in good and tenantable repair and condition the foundation, the side walks, main walls, supports, beams, gutters, fences, chimneys and all external parts of the said building and all the drains, well electric pumps, pipes, conduits and all plumbing apparatus intended for the general service of the said building (except as regards damage cause or resulted from any act or default or negligence of any of the parties hereto their respective servants or agents or tenants or licensees) and the common entrance-hall, staircases, landings and passages and roof thereof and whitewashing, distempering and painting the exterior of the same and such parts of the interior as are used in common by the parties hereto and in operating, repairing, replacing, maintaining and servicing the lifts.

翻译为：「3。本公契内之各方须支付以下项目中其应付之部分款项：关於保持以下各项目於良好及租住状况的费用：该大厦的地基、行人道、主墙、支承物、梁、雨水渠、围栏、烟囱及所有外面部分，以及为该大厦整体服务而设置的所有排水渠、水井电动泵、喉管、阴沟，以及所有水管装置（除了关於由本公契内任何一方之雇员或代理人或租户或获特许人之任何作为或缺失或疏忽所造成或导致的损害），以及该大厦之公用的入口大堂、楼梯、楼梯平台及通道及屋顶；以及用於该等地方之外面及为本公契内各方共用的内部地方的刷灰、色浆涂刷及油漆工程，和操作、修理、更换、保养及维修升降机的费用。

This paper also analyzes some problems in current calculation methods of the principal tensile stress.

本文还分析了现行主拉应力方法计算梁斜截面抗裂强度所存在的问题。

Beginning with FEM solution for transient heat conduction, turning to the theory of solar radiation and some heat engineering manuals, utilizing the commercial FEM software ANSYS, the variation regulars to time of temperature field in the standard cross-sections of the composite beam and tower columns of Harbin Sifangtai Bridge have been clarified under the third boundary condition.

本文从非稳态温度场的有限元解法入手，利用太阳辐射的相关理论和国内外热工工程手册上的数据，按第三类边界条件给四方台大桥叠合梁和主塔的一个标准截面施加边界温度荷载，采用ANSYS 软件求出了标准截面温度场随时间变化的规律。

At it more likes an old friend of the owners although taking on a new looking. it gave a dim and timeworn impression before, but nowadays it breaks out to become a brand-new home. appreciating it, the own mr. leung feelingly said," i never thought about to live in such a spatial house."

这所陪伴屋主成长的老朋友，过往充满一室昏暗的沉旧印象，复式的单位经过翻天覆地的改动，终于蜕变成一所较有时代感的新居，甚至房屋主人梁先生也说到："我从未想过原来我一直居住的房子可以这么宽敞！"

The analysis is based on a T2shape girder of a highway bridge w ith co rroded reinfo rcement bars due to concrete carbonification.

以混凝土碳化引起的主筋锈蚀的公路桥T 型梁为例，计算了这3 种活载过程下的时变可靠度。

This paper research geology and hydrogeologic condition of Liangbaoshi coal mine, especially hydrogeologic condition of sandrock crack aquifer with high pressure which is the main threat to 3 coal seam based on full study of factual information.

本文分析了梁宝寺矿井的地质及水文地质条件，重点分析了威胁现主采煤层—3煤的主要含水层即高承压砂岩裂隙含水层的水文地质特征，根据已揭露的实际资料进行了详细分析研究。

TOXON Metal Buildings System be maed of multiform structure types,such as sigle story or multi-sigle span of multi-spans,H-section or truss column/beam,etc.

通晓系统提供形式多样的主结构，包括单层或多层结构；单跨或多跨结构；实腹式或珩架式梁。

Shanxi Niubeiliang national nature reserve is located in the easten of Qin Ling mountain, special situation and geological condition lend to the special complicate and virous geography environment , also been pregnant with the aboundent biological resource .

陕西牛背梁国家级自然保护区地处秦岭东段，横跨秦岭主脊南北，独特的地理位置和地质条件形成了独特、复杂和多样的地理环境，也孕育了种类及其丰富的生物资源。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐