词语balance lever
解释平衡杆
balance lever平衡杆,平衡杠杆详细»
balance lever〔名词〕平衡杠杆详细»
平衡杆〔名词〕poise详细»
平衡杆balance bar;balance beam详细»
平衡杆balance beam stabilizer bar详细»
平衡杆rock arm详细»
平衡杆balance stem;hoosier pole详细»
平衡杆balance arm;operating arm详细»
平衡杆balancing arm;equalizing bar详细»