M5滤嘴棒接收器将从输送管来的滤嘴棒（）并将其单个输送至滤嘴储库。
A.减速
B.加速
C.保持不变
D.无影响
参考答案：A
从远东地区引入天然气应纳入到管道运输业统计。（）
The ruler is just the chair, on the floor. Can you see it? [ ]
A. at
B. to
C. under
D. in
