通用汽车公司的工程师已经完成了超过10万英里，400万小时Volt电池组的测试，这些测试自2007年便开始。每个电池包有9个模块，288个单元。
GM engineers have completed more than one million miles and four million hours of validation testing of Volt battery packs since 2007, as well as each pack's nine modules and 288 cells.
通用汽车公司的工程师已经完成了超过10万英里，400万小时Volt电池组的测试，这些测试自2007年便开始。每个电池包有9个模块，288个单元。
GM engineers have completed more than one million miles and four million hours of validation testing of Volt battery packs since 2007, as well as each pack's nine modules and 288 cells.
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