Contact level
| a delicate level so pivoted as to tilt when two parts of a measuring apparatus come into contact with each other; - used in precise determinations of lengths and in the accurate graduation of instruments. |
See also: Contact
英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。