GENTECH需要帮他们免费赠送的阀门型号是的翻译：GENTECH need to help them free of charge valve model are 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

gentech need to help them complimentary valve model is

GENTECH need to help them free of charge valve model are

GENTECH needs to help them the free present the valve model is

GENTECH needs help them free of valve type is

GENTECH need to help them free of charge valve model are