Attention has been paid to the safety of drinking water day and day, Let's to protect water source better, and improve disinfectant and purificatory process, in order to safeguard human health.
饮用水的安全问题日益引起重视，要加强水源保护、改进消毒工艺和净水工艺，才能保障人类健康。
Attention has been paid to the safety of drinking water day and day, Let's to protect water source better, and improve disinfectant and purificatory process, in order to safeguard human health.
饮用水的安全问题日益引起重视，要加强水源保护、改进消毒工艺和净水工艺，才能保障人类健康。
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