Four Bearing Outboard Direct Drive Coupled Design? Heavy Duty Drive Coupling Assembly? Polyurethane Paint Finish? Heavy Gauge Steel Construction? Backward Curve Impellers.
四轴承外部直接驱动设计？重型，耦合驱动安装？聚氨酯漆处理？重型钢结构？反向驱动叶轮。
Four Bearing Outboard Direct Drive Coupled Design? Heavy Duty Drive Coupling Assembly? Polyurethane Paint Finish? Heavy Gauge Steel Construction? Backward Curve Impellers.
四轴承外部直接驱动设计？重型，耦合驱动安装？聚氨酯漆处理？重型钢结构？反向驱动叶轮。
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