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battery box /ˈbatəɹi ˈbɒks/ n

中文：电瓶箱

中文 · 电瓶箱Español · caja del acumuladorFrançais · boîtier de batterie
Meaning：Compartment containing the battery supplying the electric energy required to operate the refrigeration unit.
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Found in these illustrated scenes（1）

Refrigerated semi-trailer

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