为了隔离外部射频场,用作试验线圈的最好屏蔽材料是

The teacher spoke loudly _______ the students could hear himclearly.

You can have the magazine _______ I finish reading it.

IPPU

(A320)雷达罩的检查标准在哪里查找

Peter, perhaps John, ___ playing with the little dog.

Peter, perhaps John, ___ playing with the little dog.

Peter, perhaps John, ___ playing with the little dog.

Peter, perhaps John, ___ playing with the little dog.

There ___ in this room.

There ___ in this room.