3060升=______立方米2.25时=______分.
(1)3060升=3.06立方米;
(2)2.25时=135分;
故答案为:3.06,135.
You have made a few mistakes in your composition but______, it's well written. [ ]
A. first of all
B. on the whole
C. on the other hand
D. so far
蝶形阀主要用在()管道上。
A.大口径输送气体的
B.大口径输送掖体的
C.输送腐蚀性液体的
D.上水