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单选题
3217. 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.
C
The container for the voice recorder unit has these properties: watertight, shock resistant and heat resistant.
答案解析
正确答案：C
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