使用寿命

This sort of big plasticshed was very suitahle to cultivating the vegetables using frame, such as cucumber,tomatoand stick bean etc.

秫秸架式结构塑料大棚最适于栽培黄瓜、番茄、架豆等搭架蔬菜，因其使用寿命仅为1a，便于轮作倒茬，利于防治病虫害，而且用材简单，建造容易，温度、光照性能优越，是一种投资少、见效快、易推广的大棚形式。

The vibration properties and random fatigue analysis are valuable for steel structure engineering application. By the analysis results, the engineers can consider in depth in the design phase of the steel-framed structures. Steel structure can be optimized based on the results, so that its antivibration performance and life can be improved.

主要振动响应特性分析结果以及随机疲劳的计算分析对钢架结构的设计具有一定的指导和参考价值，可以使工程设计人员在设计钢架结构阶段考虑得更加深入，使钢架结构得以优化，以期提高钢架结构的抗振性能和使用寿命。

This equipment is mainly composed of steam still, alcohol content-adjusting pot without last distillate, air exhausting pipes, cooler and filtering system ( there are filtering material handled in special way inside), automatic temperature control and instrument display, which can make alcohol content reach 10°-89 °, there is no last distillate, the alcohol produced by this equipment is like mineral water, pure, without different taste or foreign matter but with splendid quality, and this equipment produces spirits faster as spirits can be produced in half an hour and 200 jin grains can be distilled in about 2 hours, which save half of the fuel compared with traditional technique; and its characters also include air distillation, no explosion, long service life, and easily being cleared and removed.

该设备主体由蒸汽蒸馏釜、无酒尾酒度可调锅、导气管和冷却器及过滤系统(内有经特殊处理过的过滤材料)、自动控温、仪表显示，可使酒度在10—89度间调节，没有酒尾，所产的酒清澈如矿泉水，口味纯正，无邪无杂，品质超群，该设备出酒快，只需半小时左右有酒出200斤粮食需2小时左右即可蒸馏完毕，比传统工艺节约燃料50％；常压蒸馏、无爆现象，使用寿命长易清洗易搬动。

In order to understand the operation safety and pipe service life span of rear superhearter, the essay established dynamic mathematic model of single piece of screen of rear superhearter, including the following sub-models: flue gas side model, steam side and metal pipe wall mathematic model, flow calculation model and wall temperature calculation model.

为了更好地了解后屏过热器运行的安全性和管子使用寿命，本文建立了后屏过热器中单独一片屏的动态数学模型，其中包括以下几个子模型：烟气侧模型、蒸汽侧和金属管壁的数学模型、流量计算模型和壁温计算模型。

The authentic well known "ROSLAU" steel sting from Germany ensure the stable and beautiful tone color and long life.

德国原装进口的世界著名&ROSLAU&铜弦，确保音色稳定而优美，使用寿命更长。

The conductive pole only acts for contact and conducting during welding, the pressure pole in its center forces pressure under action of compression spring, and the pressure pole is characterized by high fusing point and mechanical intensity because of the tungsten alloy material, and the life length of contact finger is prolonged.

在焊接作业时，导电杆仅起到接触导电作用，而其中心的压力杆在压簧的作用下起到施加压力的作用，由于压力杆采用钨合金材料，具有高熔点、高机械强度的特点，不会变形，导电杆压力小不易变形，从而延长了整个触头的使用寿命，并且焊点整齐美观。

Key parts are imported directly from overseas which are advanced and reliable* Integral casting machine body to ensure high rigidity and stability* Precision processed working table with hard chrome-plated surface prolong the life time of the machine* Japan made MIKI PULLEY an infinitely speed adjuster with 6 - 25m/min infeed speed* Fully automated for entire infeed process* Each high precision spindle is supported by two bearings which makes spindle more stable.

配备有HFB523设备的经济型机械，但是消耗了更少的电压。*关键部件直接从海外进口，先进可靠。*机身整体铸件，保证高坚韧度和稳定性。*精加工工作台表面镀硬铬合金，能延长机器的使用寿命。*日本制造MIKI PULLEY，带6―25m/min的进给速度的一款无限速度调节器。*整个进给程序完全自动化。*每个高精度的轴都由两个轴承支持，使轴更稳定。

CNC lathe spindle speed due to very high, for ease of workpiece clamping, multi-use high-speed hydraulic power chuck, because it is in the production plant has passed a strict balance, with a high speed (speed limit up to 4000 ~ 6000r/min), high clamping force (push pull for the largest 2000 ~ 8000N), high-precision, adjusting claw convenience, through-hole, long life and so on.

由于数控车床主轴转速极高，为便于工件夹紧，多采用液压高速动力卡盘，因它在生产厂已通过了严格的平衡，具有高转速（极限转速可达4000~6000r/min）、高夹紧力（最大推拉力为2000~8000N）、高精度、调爪方便、通孔、使用寿命长等优点。

The modularization design will make the gear speed reducers possess not only higher adaptability and feasibility, but also b...

运用模块化设计不仅能使齿轮减速器具有很大适应性和灵活性，同时对提高齿轮减速器的传动质量，延长使用寿命都具有重要意义。

I don't know if it's all that good for the life span of the roof,' Mr. Newman says,'but when it's 110 degrees, I really could care less.

我不知道这么做会不会影响屋顶的使用寿命，&纽曼说，&但屋里的温度都到了43度，已经顾不了太多了。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。