三一重工SYM5337THBDW 470 C9泵车的优点有：1. 强大的性能：泵车搭载的470 C9发动机具有高功率输出和可靠性，能够提供强大的动力和稳定的工作性能。2. 高效的泵送能力：搭载的长臂配重系统和独特的臂架结构，使其具有更远的泵送距离和更高的泵送高度，能够满足复杂工况下的施工需求。3. 精确的泵送控制：采用先进的液压系统和电气控制技术，能够实现精确的泵送控制，保证施工质量和泵送效率。4. 安全可靠：配备多个安全保护装置，包括液压破裂阀、超压保护装置和自动稳臂等，保证施工过程中的安全性和可靠性。5. 操作便捷：配备人性化的操作控制系统，操作简单易学，能够快速上手操作。6. 故障诊断系统：配备了先进的故障自动诊断系统，能够及时发现和排除故障，减少故障停机时间。7. 维护便利：采用模块化设计和密封结构，方便维护和保养，降低维修成本。综上所述，三一重工SYM5337THBDW 470 C9泵车具有强大的性能、高效的泵送能力、精确的泵送控制、安全可靠、操作便捷、故障诊断系统和维护便利等优点。

The advantages of Sany SYM5337THBDW 470 C9 pump truck include: 1. Powerful performance: the 470 C9 engine of the pump truck is equipped with high power output and reliability, which can provide powerful power and stable working performance. 2. Efficient pumping ability: the long arm counterweight system and unique boom structure make it have a longer pumping distance and higher pumping height, which can meet the needs of construction under complicated conditions. 3. Accurate pumping control: the advanced hydraulic system and electrical control technology can realize precise pumping control to ensure the construction quality and pumping efficiency. 4. Safe and reliable: equipped with advanced hydraulic system and electrical control technology, it can realize precise pumping control to ensure the construction quality and pumping efficiency. 5. Accurate pumping control: with advanced hydraulic system and electric control technology, it can realize accurate pumping control to ensure the construction quality and pumping efficiency.4. Safety and reliability: equipped with several safety protection devices, including hydraulic rupture valve, overpressure protection device and automatic stabilizer, etc., to ensure the safety and reliability of the construction process.5. Convenient operation: equipped with humanized operation control system, it is easy to operate. Humanized operation control system, easy to learn and quick to operate. 6. Fault Diagnosis System: Equipped with advanced automatic fault diagnosis system, it can find and eliminate faults in time and reduce the downtime. 7. Convenient Maintenance: Adopting modular design and sealed structure, it is convenient for maintenance and repair, and reduces the maintenance cost. 8. To summarize, Sany SYM5337THBDW 470 C9 pump truck has the advantages of powerful performance, efficient pumping capacity, precise pumping control, safety and reliability, convenient operation, fault diagnosis system and convenient maintenance.