single PFC单级PFCsingleadj.单一的；单个的；特指某人或某物；单身的；单人的；单程的n.单程票；单曲；单人房间；单身者；<美>一元纸币；(网球)单打比赛；(板球)一分打；(棒球)一垒打v.挑选(一个)single shot firing单独炮眼放炮single point drive单点激励single index dobby单重尾杆多臂机single certificate未婚证single fiber cable单芯光缆,单纤光缆single-crop rice单季稻Single-point FFT单点快速Fourier变换single-wheel hoe独轮行间中耕器single-link line单节线singlephase driven单相驱动