新装置水运时对泵、塔的检查，主要是检查泵、塔的（）是否达到要求。
A、吹扫情况
B、流量计准确情况
C、泄漏情况
D、运行情况及各技术参数
参考答案：D
They were__________ at the_____ child for he was so addicted to the Interne that he stayed up till
12 0' clock every night. [ ]
A. disappointed; disappointed
B. disappointing; disappointing
C. disappointed; disappointing
D. disappointing; disappointed
简述EDI的实现过程。
