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图1所示为我公司为加拿大制造的PWA型泥浆泵叶轮,该泵的叶轮不同于国内泵轮,采用的是英寸制螺纹与泵轴配合,并且要求做静平衡测试。图2所示为我们制作的静平衡测试装置。
Figure 1 shows the PWA-type mud pump impeller manufactured by our company in Canada. The impeller of this pump is different from the domestic impeller. It uses inch thread to match the pump shaft, and requires static balance test. Figure 2 shows the static balance test device we made.