电动叉车维护保养内容少主要以检查、清洁为主、最多是在每2000h或3000h更换一次液压油、齿轮油、液力传动油制动液等。
成人和儿童不可以共用一个卧铺。
芥川龙之介是谁的学生?() ["夏目漱石","川端康成","志贺直哉","大江健三郎"]
气瓶水压试验有效期前()应向气瓶检验机构提出定期检验要求。 ["一年","半年","1个月"]
Which two are features of IPv6?() ["multicast","broadcast","allcast","podcast","anycast"]
试述白酒陈化的意义(酒“生”的原因)、陈化机理。