For workers under the age of 18, the break must last at least 30 minutes and must be provided whenever the non-stop working day lasts over four and-one-half hours.
对于18岁以下的劳动者，工间休息必须至少持续30分钟，只要连续工作日持续4个半小时以上，就必须提供这种工间休息。