题型:名词解释 — Would it be________for you to come at 9: 00 am tomorrow?— Can we make it a little earlier?I have another meeting at 10: 30 am.[ ]A. convenient B. comfortable C. vacant D. free 查看答案
题型:名词解释 企业为每一台机器编制档案,记录所有的维修计划和维修记录,对机器的每一个零部件都做好彻底、严格的保养,适时更换零部件,保证机器不发生意外故障,指的是( )。A.例行维修B.预测性维修C.预防性维修D.立即维修 查看答案