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liquid mirror
 liquid mirror
tech. 液体镜; 液体反射镜
| telescope
 telescope
gen. 封住有利角度
bridg.constr. 镜筒
met. 套筒; 落料管
oil 叠生
space 叠缩; 嵌进; 可伸缩套管

to phrases
liquid mirror
tech. 液体镜; 液体反射镜
liquid mirror: 1 phrase in 1 subject
Space1