这钢的韧度正合适.The temper of the steel is right.采用钢的连续浇铸法很重要.Of great importance is the introduction of continuous steel pouring.钢的硬度比铝高.The temper of steel is higher than that of aluminium....
The results showed that pine needle contains kaempferide andpercent 22 % before hydrolyze, 0.42 % after hydrolyze.结果表明,松针中含有山奈素,且水解前22%,水解后的含量为0.42%....