环境气温 meaning in Chinese

ambient air temperature

The temperature then was 5 degrees centigrade below zero
当时环境气温在摄氏零下5度。
Abstract : by using early - strength frost - resistant agent in consolidatinganchor bolt , extra early - strength frost - resistant thickener and special technology in shotcreting , the difficulty arising from freezing weather with an ambient temperature of - 10 - 18 was solved
文摘:介绍在环境气温- 10 - 18条件下，采用早强抗冻锚固剂固结锚杆、超早强抗冻粘稠剂和特殊工艺喷射混凝土，使隧道施工支护及时，解决了冬期施工喷锚难的老大难问题。