Only the new device is housed in sealed water proof case.

只有这种新装置才具有密封防水的外壳。

youdao

Only the new device is housed in sealed water proof case .

只有这种新装置才具有密封防水的外壳。

youdao

Only the new device is housed in sealed water proof case .

只有这种新装置才具有密封防水的外壳。

youdao