1.报告无本检验室“检验专用章”无效。的翻译：1. the report from this laboratory "special stamp for inspection" is not valid. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

1 This laboratory report without "test seal" is invalid.

1. the report from this laboratory "special stamp for inspection" is not valid.

1. reports does not have this checkout room “the examination special-purpose chapter” invalid.

1) report "Testing without the examination room dedicated chapter" invalid.

1. the report from this laboratory "special stamp for inspection" is not valid.