n. centerboard
misc. dagger board ; dagger plate
... 中插板吊索：centreboard halyard 中插板：centerboard 中层甲板：mezzanine deck,mezzanie space ...
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把石油工业中多项专用技术与水利工程的实际需要相结合，创造了水力插板技术。
Integrating the many specific techniques of petroleum industry with the actual need of the hydraulic engineering, the technique of hydraulic panel was created.
插槽中设置有一个插片，插 片由透明板状构件构成。
The slot is arranged with an inserting piece, the inserting piece is composed by the transparent platy member.
CC Q型气动超高真空插板阀用于接通或切断真空管路中的气流。
It is used to put through or cut off the air passage in vacuum pipeline.
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