This has certified that the method of sealing-off Catalytic decomposition in COD Value test has its adaptability in different lines and areas in Qiqihar district.
实验证明COD密封催化消解法在不同行业与区域的废水测定中具有很好的适用性。
2
The numbers, in any case, support the assumption that Germany is sealing itself off.
从统计数字来说，不论如何看还是印证德国锁国的假设。
3
This paper analyses theoretically and technologically, the reason of barrel tooth holders sealingoff , of produced gas hole and cold crack.