mfcsCOCA³¹⁵¹¹¹⁺⁴ 基本例句 Manual Flight-Control System NASA 手操控飞行控制系统美国国家航空航天局 So far,100 MFCs have been buried in dirt and can provide power for several months to Namibian families who lack access to electricity. 到目前为止，已有100枚 MFC电池被埋在泥土中，它们能为用不上电的纳米比亚家庭提供数月的动力。 yeeyan