music wire
琴弦; 琴用钢丝
1. 钢琴丝:mushroom valve 菌形阀 | music wire 钢琴丝 | mutation rate 突变速率
2. 琴用钢丝:monometallic wire 单金属线 | music wire 琴用钢丝 | negative wire 电源负极引线
3. 琴钢丝:mushrooming迅速增长、激烈增殖 | music wire琴钢丝(0.8~0.95C) | mutual inductance coefficient互感系数