验证测试需要使用复杂的测试仪，不需要能测试接线通断和线缆长度的测试仪。
参考答案：错
轨道车的保养主要分为日常保养和（）。
Performing______ involves monitoring specific project results to determine if they comply with relevant quality standards and identifying ways to eliminate causes of unsatisfactory results.
A．quality planning
B．quality assurance
C．quality performance
D．quality control
