棒球球棒 meaning in English

baseball bat

Test method for measuring baseball bat performance factor
测量棒球球棒性能因数的试验方法
Standard test method for measuring baseball bat performance factor
测量棒球球棒性能因数的标准试验方法
Test methods for measuring high speed baseball bat performance factor
测量高速棒球球棒性能因数的试验方法
Standard test methods for measuring high speed baseball bat performance factor
高速棒球球棒性能因数测量的标准试验方法