Top junction block 上部连接
hot top junction 保温帽接合处
flat-top junction 平顶接头
car top junction box 轿顶接线盒
Located on the top or back, is a junction box to allow for electrical connection.
接线盒位于顶部或者后部，以供日后维修以及接线。
Loosen the screw holding the junction box cover to the top of the water heater. Set the cover aside.
卸下热水器顶部接线盒盖上的固定螺丝。把盖子放在旁边。
The faring cover also provides protection to electronics housings and cables routed along the top of the buoyancy to the junction box.
这个盖可以保护电子储存器和从浮力顶部到接口盒中间的线缆。
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