faultilyadv.不完美地；有缺点地faultn.缺点；故障；过错；[地]断层v.找 ... 错误fault-slip fold断滑褶皱faulting landform断错地貌Fault maintenance故障维修fault-structure断层构造fault presumption过错推定fault containment故障包容fault- tolerant冗余容错fault declaration省缺说明,缺席说明fault block model矩形故障块Fault sensitivity故障敏感性

1. The total fault time with this type of ball mill is less than a week every year.
   这种类型的球磨机每年的故障时间不到一星期。