日本在线国产视频._在线高清免费爱做网_婷婷五月丁香加勒比在线_中文A∨字幕网站_亚洲码欧洲码精品_黑人和黑人一级毛片_一本综合狼友精彩视频_激情欧美成人免费观看_欧美激情做真爱牲交视频_中文字幕日韩熟女

Product center

External cutting sewage elevator

Product details

Applicable scope:

Scope of application: Suitable for environments where gravity flow drainage is not possible or the drainage point is too far from the horizontal distance of the drainage riser. Suitable for subway stations and places with dense heat flow and complex debris.


Features:

Safe and airtight, without odor emission

Secondary sedimentation and more thorough sewage discharge

External cutting, convenient and free from cleaning

Silent operation, efficient and intelligent