hatch bar

基本解釋

When the hatch-locking bar twitches along the rotatable panel, the rotatable panel stays on the same plane with the desktop, so the desk can be used as an ordinary desk;
當閂條沿著可旋轉(zhuǎn)面板抽動時，可旋轉(zhuǎn)面板與桌面在同一水平面上，使桌子成為一個可做一般用途的桌子；
ip.com
Chief tallyman, please tell the stevedore at Bay 10 on deck that the hatch cover of that bay is now pressing on a lashing bar. To avoid damage to the cover, you must take out the bar.
理貨組長，請跟10貝甲板的工人們說一下，那個貝的艙板正壓著一根桿子，為了避免對艙蓋板造成損害，你們必須把它拿出來。
nbtc3.blog.163.com