Are the barriers intact? Clad, primary systems, secondary, containment.

这些障碍是完整的吗，覆盖层，主系统，次级系统，容器。

youdao

Are the barriers intact? Clad, primary systems, secondary, containment.

这些障碍是完整的吗，覆盖层，主系统，次级系统，容器。

youdao