班次欠准 meaning in Chinese

erratic service

The increase was mainly attributable to more complaints about passenger services and facilities and erratic services
个案数目上升的主要原因，是有关乘客服务及设施和班次欠准的投诉有所增加。
The increase was mainly attributable to more complaints about regularity and frequency of services , passenger services and facilities and changes in light rail routings
个案数目上升的主要原因，是有关服务班次欠准和不足、乘客服务及设施，以及轻铁路线更改的投诉有所增加。
This was mainly due to an increase in the complaints about the regularity and frequency of service , and changes in the routeings of the light rail to tie in with the opening of the west rail and light rail extensions
个案数目上升的主要原因，是有关服务班次欠准和不足，以及为配合西铁和轻铁支线启用而更改路线的投诉建议有所增加。
The number of complaintssuggestions on the east rail increased from 29 in 2002 to 50 in 2003 . this was mostly due to an increase in the complaints about passenger services and facilities ( particularly inadequate announcements during service disruptions ) and erratic service
有关东铁的投诉建议由二二年的29宗上升至二三年的50宗，主要原因是涉及乘客服务及设施（尤其是在服务受阻时向公众发布的资料不足）和班次欠准的投诉有所增加。