single-end英'sɪŋɡl'end美'sɪŋɡl'endBNC²³⁶²¹³⁺¹ 基本例句 n.单头的¹⁰⁰ According to the market demand and price situation of FDY products, the existing single-end FDY system was innovated to double-ends FDY spinning with optimization of process. 根据市场需求和 FDY产品的价格情况,提出了 FDY双头纺改造的必要性。 chemyq