例句 /

Characteristics of cross-joint flush valve: they are time-lapse, self-closing, beeline of water route.

Characteristics of cross-joint flush valve: they are time-lapse, self-closing, beeline of water route.

卧式冲洗阀特点:延时自闭、可以适应各种水流路径成,有手柄式、按钮式、脚踏式。