“spring lever”的概念、定义、翻译、参考文献-科学参考

单词	spring lever
释义	spring lever 弹簧杆
随便看	major bacteriophage major break down major broadcasts major calorie major cause of failure major character major chemical company major clique major combination major community major conjugate angle major conjugate arc major conjugate segment major constituent major control major control break major control change major control data major control field major control point major corn seed major country major critical component major cross street major cutting

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