Coatings based on alkyd resins tend to be relatively low cost but exhibit poor durability.

在多元醇酸树脂为基础的涂料成本较低但耐久性不佳。

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Most damage of concrete runway in cold region is not caused by load but by the poor durability of concrete.

寒冷地区机场混凝土道面常常发生非荷载引起的破坏———耐久性破坏，严重影响飞机的安全起降，必须尽快予以解决。

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Poor durability, short service life and low economical efficiency of Bridges have become a worldwide difficult problem.

桥梁耐久性差、服务寿命短及全寿命经济性指标差等问题已成为世界性难题。

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However, these modified celluloses require large amounts of petroleum-based additives such as plasticizers, which results in bioplastics with a low plant component ratio and poor durability, including heat resistance and water resistance.

ENGADGET: NEC builds a better bioplastic from plant stems and cashew nut shells

Even then, however, the unlikely durability of such an assessment made it a poor basis for U.S. disengagement from the world.

CENTERFORSECURITYPOLICY: The Isolationist delusion