正常生产中,以下()种情况可以判断常压炉进料中断。
A.常压塔液面下降
B.常压炉各路进料为零
C.初侧线出黑油
D.常压炉出口温度及各分支温度升高
参考答案:B
It was _____ computer games that cost the young man a lot of precious time that he ought ____ on
his lessons.[ ]
A. to play, to be spending
B. playing, to spend
C. played, to have spent
D. playing, to have spent
不属八脉交会组穴的是()。
A.内关、公孙
B.合谷、太冲
C.列缺、照海
D.后溪、申脉
E.外关、足临泣