煤矿机械英语每日一句！-快过年了，你在矿上咋过的？-019

Starting Friday, most Chinese families will kick off a series of rituals to welcome the Lunar New Year. The traditions that have been inherited and maintained for thousands of years, bear with them the culture of the nation. 周五开始，大部分中国家庭就准备开始欢迎新年了。这个传统在中国文化的影响下延续了千年。可以改为：周五开始，大部分煤矿就准备放假了。这个传统也延续了很多年，你咋过啊？

Q：液压支架的胶管有哪些分类？