千分尺：用于精确测量小长度，厚度等的一种仪器，其精确程度达至千分之一寸或厘米。
Micrometer: An instrument used to measure accurately small distance, thickness, etc. To the nearest 1000th inch or cm.
千分尺：用于精确测量小长度，厚度等的一种仪器，其精确程度达至千分之一寸或厘米。
Micrometer: An instrument used to measure accurately small distance, thickness, etc. To the nearest 1000th inch or cm.
应用推荐