I had to undergo some rigorous training to understand the product and customer.
我要通过一些严格的训练来了解产品和客户。
Production base, has advanced production equipment and rigorous training of production personnel.
生产基地，拥有先进的生产设备和严格培训的生产人员。
Production base, has advanced production equipment and rigorous training of production personnel.
生产基地，拥有先进的生产设备和严格培训的生产人员。
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