例句 /

Accumulate through long-term practice and experience, a set of intact , effectual quality guarantees the system and trains systems.

Accumulate through long-term practice and experience, a set of intact , effectual quality guarantees the system and trains systems.

经过长期的实践和经验积累,拥有一套完整的、行之有效的品质保证体系和培训体系。