Mechanically speaking, silk fibers are as tough as steel.
技术上讲，丝纤维的强韧度堪比钢铁。
The steel industry faces tough times, with companies braced for falling prices as buyers delay orders because of extreme nervousness over the global economy.
钢铁行业正面临艰难时期。出于对全球经济形势的极度不安，买家纷纷推迟订单，钢铁公司准备应对价格下跌的局面。
This is the reality, which is as cold and tough as iron and steel.
这是事实，就像钢铁一样寒冷而顽固。
The utility model has novel structure, and is tough and durable, as well as is in particular applicable for the repairmen of various types of radial steel wire tyres.
本实用新型结构新颖，结实耐用，尤其适合于修补各种型号的子午线钢丝轮胎。
The utility model has novel structure, and is tough and durable, as well as is in particular applicable for the repairmen of various types of radial steel wire tyres.
本实用新型结构新颖，结实耐用，尤其适合于修补各种型号的子午线钢丝轮胎。
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