密封空间 meaning in English
confined space
Examples
- Do not use in small enclosed rooms or poorly ventilated areas
切勿在细小的密封空间或空气不流通的地方使用； - The relector shall have a high quality chromium plating and adequate seal to the glass
反光镜部位需为高质量的镀铬镜面，并且为玻璃镜留有足够的密封空间。