观察镜的英文
o ervation mirror
observation mirror
sight glasses
slide viewer
例句与用法
- Sight glasses for pressure vessels
压力容器用观察镜 - Pressure resistant circular glass - to - metal fused sight glasses - part 1 : for holders with recess
抗压力的圆形玻璃金属熔融观察镜.第1部分:用于带槽 - Pressure resistant oblong sight glasses of borosilicate glass without limitation in the range of low temperature
低温范围内无限制的抗压长方形硼硅玻璃观察镜
