久久夜色精品国产欧美乱极品丨成人免费国产精品视频丨中文字幕日韩一区二区三区丨麻豆社丨国产真实一区二区三区丨欧美性猛交xxxxx水多丨www99在线丨亚洲成a人无码亚洲成www牛牛丨国产精品久久久久久久免费观看丨看看黄色片丨宅宅少妇无码丨多p混交群体交乱小说h丨国产免费网址丨91亚洲精品在线丨亚洲男人天堂2022丨国产v在线最新观看视频丨五月天六月色丨欧美性生活免费视频丨日韩爆乳一区二区无码丨亚洲天堂日本

Tank body: it is made of high-quality q355 carbon steel plate. The water tank is built with a wave proof plate. Two Manholes with a size of not less than 500mm are set on the top. Handrails or escalators are equipped near the manhole, and the hole cover is provided with hinges and locking devices. The tank body is provided with a sewage outlet and an overflow outlet;

Cleaning system: there are 6 electric controls for middle hedge, rear sprinkler and left and right greening irrigation, and a manually controlled sprinkler on the rear platform (manually controlling the rotation and opening and closing of ball valve);

Waterway system: it has two independent high-pressure and low-pressure waterway systems, using DC motor to drive high-pressure water pump and working device, power take-off to drive low-pressure water pump, high-pressure cleaning and low-pressure spraying;

Electrical control: the cab of the system is equipped with an operating system. The operating mode is a touch screen with can communication function, which can operate the high and low voltage waterway system in the cab;