The main features: plus pressure explosion-protection, free maintenance, high efficiency and high reliability.

主要特点：正压防爆，免维护，高效率和高可靠性。

youdao

The main features: plus pressure explosion-protection, free maintenance, high efficiency and high reliability.

主要特点：正压防爆，免维护，高效率和高可靠性。

youdao