The device comprises a tripod, a movable arm, a skip bucket, a water tank, a sweeping brush, a spring, a conduit pipe, a sprinkling bar, etc.
该装置由三角架、活动臂、翻斗、水箱、扫地刷、弹簧、输水管、洒水管等零部件组成。
A large instrument having a fixed and a movable arm on a graduated stock, used for measuring the diameters of logs and similar objects.
测径器一种大仪器，在一刻度盘上有固定且可动的测脚，用于测量圆木和类似物体的直径。
Movable arm scraper collects sludge using track of log spiral, so it has characteristics of good continuity and high efficiency of sludge collection.
可动臂式的刮板以对数螺旋线轨迹集泥，连续性好、集泥效率高。
Movable arm scraper collects sludge using track of log spiral, so it has characteristics of good continuity and high efficiency of sludge collection.
可动臂式的刮板以对数螺旋线轨迹集泥，连续性好、集泥效率高。
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