[物理] 弹簧测试 fatigue testing: 疲劳试验corrosion fatigue testing machine: 腐蚀疲劳试验机fatigue impact testing machine: 疲劳冲辉验机fatigue testing at low temperature: 低温疲劳试验fatigue testing machine: 疲劳试验机下载手机词典可随时随地查词查翻译