各种规格针规0.20-0.50mm共31支0.50-1.00mm共51支1.00-1.50mm共51支1.50-2.00mm共51支2.00-2.50mm共51支2.50-3.00mm共51支3.00-3.50mm共51支3.50-4.00mm共51支4.00-4.50mm共51支4.50-5.00mm共51支5.00-5.50mm共51支5.50-6.00mm共51支6.00-6.50mm共51支6.50-7.00mm共51支7.00-7.50mm共51支7.50-8.00mm共51支8.00-8.50mm共51支8.50-9.00mm共51支9.00-9.50mm共51支9.50-10.00mm共51支