美国生产电铲的制造厂有三十多家,其中布塞路斯—伊利(Bucyrus—Erie)公司(简称B—E公司);哈尼斯费格(Harnischfeger)公司、马里恩(Marian)公司和佩奇(Page)公司规模较大,产品销售世界各地。以下分别介绍几家公司制造的正铲和拉铲的主要特点以及它们的型号规格(见表1.2)。正铲包括剥离铲、长臂铲和普通铲。B—E 公司制造的3850一B~*型剥离铲,斗容为107米~3。马里恩公司制造的6350型剥离 There are more than thirty manufacturing shovels in the United States, including Bucyrus-Erie (B-E), Harnischfeger, Marian and Page Company is a large company with products sold all over the world. The following are the main features of the shovels and draglines made by several companies and their model specifications (see Table 1.2). The front shovel includes a peeler, a long arm and a normal shovel. B-E's 3850 a B * stripping shovel, bucket capacity of 107 meters to 3. Model 6350 manufactured by Marion Inc. Peeling