为了保护珍贵的画作，博物馆为它定制了玻璃封装。

To preserve the valuable painting, the museum created a special glass ___encasement for it.

为了保护贵重仪器，我们给它加了一个防震外壳。

We added a shockproof ___encasement to protect the valuable equipment.

珠宝被保存在一个透明的玻璃密封罩中。

The jewelry is kept in a transparent glass ___encasement.