Our lab supplier shipped the quartz crystals in padded boxes to prevent damage.

我們的實驗室供應商用加了襯墊的箱子寄送石英晶體，以防損壞。

During the factory tour, the manager explained how sugar crystals form in large tanks.

參觀工廠時，經理說明了糖的結晶如何在大型槽中形成。

The client asked whether the crystals in the filter could be replaced under warranty.

客戶詢問濾器裡的晶體是否能在保固期內更換。