透明组件，换底检查。

同一素材在浅色棋盘和深色背景下显示。背景底板另列在全页清单中；这里仅检查承诺透明的对象。

S01-floor-reflection

S01-contact-shadow

S01-device-terminal

S01-wordmark

S02-device-heating

S02-device-production

S02-device-exhaust

S02-device-recovery

S02-device-exchanger

S03-membrane