小提琴的主体是由木头制成的音箱，木头越薄越好：云杉木用来做面板，枫木用来做背板、琴颈和侧板。
The violin’s body is a sound box made from wood, the thinner the better: spruce for the front, maple for the back, the neck and the ribs.
小提琴的主体是由木头制成的音箱，木头越薄越好：云杉木用来做面板，枫木用来做背板、琴颈和侧板。
The violin's body is a sound box made from wood, the thinner the better: spruce for the front, maple for the back, the neck and the ribs.
就是说放侧板在面板上面，然后是背板。
导电夹座包含背板、两个侧板和金属棒。
The conductive holder comprises a back board, two side boards and a metal rod.
其中吊柜是由门板、底板、层板、顶板、侧板、背板这些板件构成。
The wall cabinet is composed of the door panels, bottom panel, shelf, top panel, side panel and back panel.
两个侧板平行设置于背板上。
The two side boards are arranged in parallel on the back board.
两个侧板平行设置于背板上。
The two side boards are arranged in parallel on the back board.
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