bottom face的用法和樣例：
例句
- He turned the box over to examine the bottom side.
他把那個(gè)盒子翻過(guò)來(lái)對底面進(jìn)行檢查。 - The bottom is wrapped-with aluminium sheet or zinced steel sheet while the four edges are trimmed with conductive rubber to conduct electricity and abate noise.
底面采用鋁合金薄板及鍍鋅薄板，四周采用鋁合金包邊，底部邊緣嵌導電橡膠條以獲導電及消音特效。
