中心线长为400m的暖气管道沟,沟宽0.8m,深2.0m,此管沟清单量为( )。
A.400m B.320m2 C.640m3 D.672m3
参考答案:A
The company in our city ______ those big investors from the West.
A.has a link with
B.has a hand in
C.is in line with
D.is in charge of