chromium-plated inside micrometer calipers

例句：

1. 1.The new ruler is chromium-plated inside for extra durability.
   这款新尺子内部镀铬，以增加耐用性。
2. 2.The engineer used a chromium-plated inside micrometer calipers to measure the thickness of the metal sheet.
   工程师使用镀铬的内微米千分尺来测量金属板材的厚度。
3. 3. The chromium-plated inside micrometer calipers are precision tools for measuring small dimensions.
   镀铬的内微米千分尺是测量小尺寸的精密工具。