蟹斗挖土机是一种行之有效的小型简易挖土机,上海地区己经广泛应用。武汉冶金建设公司第四工程公司曾多次去上海学习,并请上海市有关单位来公司传授经验。目前,四公司共使用了三台蟹斗挖土机,效果良好,受到职工的欢迎。这种挖土机构造比较简单,使用初期,有些人对它的使用效果有怀疑。认为它只能用来挖淤泥或抓取 The crab bucket excavator is an effective small excavator that has been widely used in Shanghai. The fourth engineering company of Wuhan Metallurgical Construction Company once went to Shanghai to study, and invited relevant units in Shanghai to teach the company experience. At present, the four companies have used three crab bucket excavators in total and they have achieved good results and are welcomed by employees. This kind of excavator has a relatively simple structure. In the early days of use, some people have doubts about its use. Think it can only be used to dig silt or grab