opening valve time开阀时间
opening delay time开启延滞时间
opening gate time开闸时间
opening g time开门时间;断开时间
opening radar time-sequence雷达开机时序
Opening a Time Deposit Account开立定期存款帐户
wicket opening time导叶开启时间
inherent opening time固有分闸时间;[电] 固有断开时间
Current opening time电流开启时间
N-UNCOUNT（不可数名词） You can refer to the time that a shop, bank, library, or bar opens for business as its opening time. (商店、银行及酒吧等的)开始营业时间; (图书馆等的)开门时间 [also 'the' N]
Shoppers began arriving long before the 10am opening time.
离上午10点开门时间还早，顾客就陆陆续续地来了。
N-PLURAL（复数型名词） The opening times of a place such as a shop, a restaurant, or a museum are the period during which it is open. (商店、餐馆等的)营业时间; (博物馆等的)开放时间 [英国英语]