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				           		圆弧齿圆柱蜗杆减速器采用轴截面为圆弧形的圆柱蜗杆。
						        					            	 Cylindrical worm with are shaft section is used in circular tooth and cylindrical worm speed reducer.
								    										 
								    				            	 youdao 
- 
				           		圆弧齿圆柱蜗杆减速器采用轴截面为圆弧形的圆柱蜗杆。
						        					            	 Cylindrical worm with are shaft section is used in circular tooth and cylindrical worm speed reducer.
								    										 
								    				            	 youdao