The safety rating of the engineering structure is grade2and its designed service life is50years.
本工程结构安全等级为二级，设计使用年限为50年。
The corrosion resistance of the girder internals is vitally important for designed service life of Bridges.
钢箱梁内部的腐蚀问题，对桥梁的设计使用寿命至关重要。
Kiaochow Bay subsea tunnel is the second self-building tunnel in China with the designed service life over 100 years.
胶州湾海底隧道是中国自行建造的第二条海底隧道，其服役寿命为100 a。
Heavy Duty trunnion - The ball trunnions are designed for demanding applications requiring long service life, with a reduction in maintenance time and costs.
重型耳轴，球耳轴是苛刻的要求，使用寿命长的应用而设计，以期在维护时间和成本的降低。
The ball trunnions are designed for demanding applications requiring long service life, with a reduction in maintenance time and costs.
重型耳轴，球耳轴是苛刻的要求，使用寿命长的应用而设计，以期在维护时间和成本的降低。
The taper VR dragline bucket is a fully fabricated bucket, designed around the same principle of specific service intervals in which critical areas are replaced during the life of the bucket.
锥形vr拉斗铲铲斗也是全组合型铲斗，铲斗的关键部位根据同一原理按设计的特定维修周期更换。
In view of this, a variable pitch valve spring is designed to eliminate the axial shifting and radial drifting of the valve disk and improve the service life of the valve.
鉴于此，笔者试图设计泵阀的变螺距弹簧，以消除阀盘的纵向振谐窜动和径向失稳漂移，提高泵阀工作寿命。
That's why we've designed our depository products to help you manage your finances at all the various stages in your life, with the same impeccable service wherever you go.
无论您身处生命中的哪一个阶段，我们的存款产品都能恰如其分地帮助您管理您的个人财务事宜。无论您身处何方，都能享受到我们始终如一的优质服务。
Our products are designed to provide high levels of efficiency over a long service life with low overall life cycle costs, up to 90% of the parts of the product can be recycled.
我们的设计致力于提高产品效率，延长使用寿命，降低整体生命周期成本，高达90 %的产品备件可被重复利用。
Ne Series hoist is designed reasonable, high hoist, long service life, reliable operation, energy efficient and easy to maintain and repair.
NE型系列提升机设计合理、提升高、使用寿命长、运转可靠、节能高效，维修方便，广泛应用于建材、化工、矿山等行业。
The SB series pump and impeller are designed to increase service life many times over that of conventional pumps.
该泵及叶轮的设计与普通泵相比，大大提高了使用寿命。
If the rolling dies are not preciously designed or the machining operation is not properly implemented, there is an influence on the profile accuracy, noise and service life of the workpiece gears.
若辊模设计不合理或加工方法不当，将影响工件齿轮的齿形精度，产生噪声，降低使用寿命。
Therefore, a new flexible decanter was designed to reduce energy consumption and mechanical failures, as well as to prolong service life of the product.
为此，笔者设计了新型柔性滗水器，重点解决了推杆滗水器现有技术的不足，达到了降低能耗、减少机械故障、延长使用寿命的目的。
The operation of coupling the vehicle without expensive electronic equipment, do not need to interfere with the driver and specially designed vehicles have the entire service life without maintenance.
该联轴节的运转无需昂贵的车载电子设备，也不需要驾驶者干预，并且经过专门设计，在车辆的整个使用寿命中都无需维护。
But due to various reasons, the using situation of China's early built cement concrete pavement was not well, its service life was greatly lower than the limit of the designed using years.
但是由于各种原因，我国早期修建的水泥混凝土路面使用状况不佳，使用寿命大大低于设计使用年限。
Present paper introduces basic method of testing electric hoist for service life, taking steel rope electric hoist as an example. It explains relationship between designed service...
本文以钢丝绳电动葫芦为例，介绍电动葫芦寿命试验的基本方法、设计寿命与寿命试验的关系、寿命试验程序、寿命试验考核内容与指标、主要零部件报废指标。
Specially-designed bearings on the main rollers feature smooth operation, long sealing and bearing service life and easy maintenance.
独特设计主辊筒轴承座，特点是：主辊筒运行平稳，延长机械密封及轴承寿命，便于维修。
Present paper introduces basic method of testing electric hoist for service life, taking steel rope electric hoist as an example. It explains relationship between designed service lif...
本文以钢丝绳电动葫芦为例，介绍电动葫芦寿命试验的基本方法、设计寿命与寿命试验的关系、寿命试验程序、寿命试验考核内容与指标、主要零部件报废指标。
Internal valve trim is designed to ensure long service life and avoid unnecessary maintenance.
内部装饰阀的设计，以确保使用寿命长，避免不必要的维修。
Internal valve trim is designed to ensure long service life and avoid unnecessary maintenance.
内部装饰阀的设计，以确保使用寿命长，避免不必要的维修。
应用推荐