teat cup crawl挤奶杯蠕动
teat cup with liner带橡皮内套的挤奶杯
single chambered teat cup单室型挤乳杯
teat cup washer乳杯洗涤器
teat cup cluster乳杯座;全套挤奶杯
teat cup pulsation system挤奶杯脉动装置
teat cup liner乳杯衬
teat cup assembly乳杯总成
teat cup shell乳杯壳