第一: first; primary; foremost; fi ...第二: second系: system; series弹簧: spring; mechanical spring挠度: deflection; bending; bend; u ...比: 2第二系弹簧悬挂: secondary suspension二系弹簧装置: two-stage suspension弹簧挠度裕量: surplus deflection of spring reserve deflection of spring第一系弹簧 悬挂: primary suspension板簧挠度: deflection of spring弹簧挠性: flexibility of ring; flexibility of spring; spring flexibility一系弹簧装置: single-stage suspension伪装者第二系列: pretender弹簧动挠度: dynamic spring deflection弹簧负挠度: negative opening of the spring弹簧静挠度: spring static deflection波兰舞曲第一第一号: no.in c minor第一,第二: first, second弹簧几何挠度: geometric free camber of spring第一,第二胸椎: 2 dorsal vertebrae 1挠度: deflection; bending; bend; under load第二比第一好: the second is better than the first第一,第二胸神经: 2 dorsal nerves 1度比: roundness