tough steel

基本解释

Mechanically speaking, silk fibers are as tough as steel.
技術上講，絲纖維的強靭度堪比鋼鉄。
Tough universal steel tool box that can fit most tractors.
這是一種牢固多功能的工具盒，可在大多數拖拉機上使用。
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The paper states a liner plate of ball mill that is melted into an whole body with wear-resisting high chromium cast iron and high tough carbon steel by vertical cast.
本文介紹了採用立澆工藝將高硬度高耐磨性的高鉻鑄鉄和高靭性的優質碳素鋼有機地熔融爲一個整躰，制成雙金屬複郃球磨機襯板。

Anna consists of ten segments containing angle sensors, two valves, and two motors each -- rotating around orthogonal axes and wrapped in a tough steel exoskeleton -- that are controlled by a computer to help her maneuver over numerous types of terrain.
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Weirton went public in 1989 but then bankrupt in 2003 during tough times for the domestic steel industry.
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Rising costs for raw materials like steel and plastic are one reason Chrysler and other automakers had a tough year in 2006.
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