... dolphin sanctuary 海豚禁猎区；海豚保护区 domestic discharge 住宅污水 domestic household 住宅用户 ...
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Production and domestic sewage discharge 生产及生活污水排放
domestic sewage discharge 生活污水排放量
domestic wastewater discharge 城市生活污水排放量
Fully automatic temperature and pressure relief protection for domestic hot water supply tanks and heaters based on the latest ANSI Z21.22 Listing requirements for temperature discharge capacity.
全自动降温减压安全保护功能，适用于室内热水供应容器和热水器，符合最新版ansi Z 21.22标准对于温度排泄能力的要求。
Protect water quality and conserve potable water resource by treating domestic wastewater to exceed Class 1A discharge standards and use for site irrigation.
通过市政污水处理来满足1A级的水质排放标准，并用于灌溉用水，从而达到保护水质，保护饮用水资源的目的。
Briefly introduces Present heating manners and their existent problems in domestic large workshops, as well as the application effectiveness of downward discharge unit heater.
简要介绍目前国内高大厂房常用采暖方式和存在问题，以及采用下送射流式暖风机的效果。
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