石灰膏、电石膏试配时的稠度应为() ["125㎜±5㎜","120㎜±2㎜","120㎜±5㎜","120㎜±2㎜"]
110(66)~750kV的交流油浸式变压器(电抗器)状态检修工作分为()。 ["A、A、B、C、D","B、计划、临时","C、A、B、C、D、E","D、年、月、日"]
气割时,氧气纯度不应低于()%。 ["A、96","B、98.5","C、95","D、97"]
礼貌可以分为礼貌行动和()两个部分。 ["A、服饰","B、环境","C、态度","D、礼貌语言"]
消石灰用于砌筑砂浆的要求() ["不得直接用于","按石灰膏量的五分之一","每立方加15㎏","每立方加20㎏"]
胜复