处理拒爆时,可在距拒爆炮眼0.3m以外另打与拒爆炮眼()的新炮眼,重新装药起爆
A.垂直
B.斜交
C.平行
参考答案:C
It would seem to be a general truth__________ nothing is as straightforward as it at first seems.
A.that
B.when
C.what
D.if
在气田集输工艺中适合使用旋塞阀的工艺环节是:()。
A、排污
B、放空
C、截断
D、节流