语音记录器组件的外壳具有以下特性：防水、耐冲击和耐热。
A The housing for the voice recorder unit has these properties: water tolerance, shock resistant and heat resistant.
B The container for the voice recorder unit has these properties: waterproof, spin resistant and heat resistant.
CThe container for the voice recorder unit has these properties: watertight, shock resistant and heat resistant.