concrete

• Now, however, he was to see the concrete evidence of his success for the first time .
  他如今可要第一次看到自己发迹的具体证据啦。
• In 1969 a (51mm) bituminous concrete overlay was placed on the concrete deck .
  1969年在混凝土板上铺设了51mm厚的沥青混凝土铺装层。
• The roof is acid-resistant concrete and carries the acid distributor and its drive .
  顶部有耐酸混凝土，装有酸分部器及其传动部分。
• This suspicion did not take on a more concrete form until early in the last century .
  直至上世纪早期，这种猜想才被赋以更具体的形式。
• That this fear had as yet no concrete basis made it all the more nagging .
  正是由于这种恐惧心理迄今尚无任何根据，它就更显得令人讨厌。
• He is not aiming to get the concrete facts of the rise and the decay of any particular city .
  他不是着眼于某个特定城市兴衰的具体事实。
• Where pipelines cross swamps, rivers, or lakes they may be encased in concrete .
  油管跨越沼泽地，河流、湖泊时，可以用混凝土管匣套起来。
• Reinforced concrete has since been used and highly refined by engineers .
  钢筋混凝土从此以后就被人们采用，一些工程师并对它进行大量改进。