型号组成 大小, 齿轮的种类和减速比, 螺杆种类, Outdia, Lead, 有、无波纹管(BELLOWS), Stroke SR 45 - 10 Servo Box 规格 Servo Box 型号 SR45, 65, 75, 90, 110, 120 Ratio Single Stage3, 4, 5, 6, 7, 8, 9, 10Double Stage15, 20, 25, 30, 35, 4050, 60, 70, 80, 90, 100