hardened concrete

常见例句

Testing hardened concrete - Part 7: density of hardened concrete.
硬化混凝土试验。第7部分：硬化混凝土密度。
In particular, the claims made for the transport of inhibitors through hardened concrete need to be assessed.
特别是阻锈剂通过硬混凝土的渗透，是需要评估的。
After studying the hardened concrete properties index and cement properties index, and got that there were no significant relationship between them.
研究了硬化混凝土性能指标与目前水泥性能指标的关系，结果表明，两者之间没有良好的相关关系。

Rather it is knowing which doors — or more accurately, which hardened-concrete barriers protecting deeply buried covert bunkers — have something of interest behind them.
CENTERFORSECURITYPOLICY: Center for Security Policy Don’t Go There: Why President Bush Should Tell the U.N. Why Saddam Must Go, But Not Seek Its Approval for Doing So
Rather it is knowing which doors -- or more accurately, which hardened-concrete barriers protecting deeply buried covert bunkers -- have something of interest behind them.
CENTERFORSECURITYPOLICY: Center For Security Policy