清管球作业时，管道的管径必须一致，且管壁厚度相差不宜超过（）mm。_燃气具安装维修工考试_全学科试题题库

当前学科：燃气具安装维修工考试

题目：单选
清管球作业时，管道的管径必须一致，且管壁厚度相差不宜超过（）mm。
答案： <查看本题扣1积分>

查看答案

答案不对？请尝试站内搜索

推荐知识点:

亚硝酸盐中毒的特效解毒剂是（）。

沼气脱硫主要有生物脱硫、化学脱硫两种方法。

Learn from Mistakes You can only learn from a mistake after you （1） you’ve made it. As soon as you start blaming other people (or the universe itself) you distance yourself （2）any possible lesson. But if you courageously stand up and honestly say “This is my mistake and I am responsible” the possibilities for learning will move towards you. Admission of a mistake, even if only privately to yourself, makes learning （3）by moving the focus away from blame assignment and towards understanding. This advice （4）counter to the cultural assumptions we have about mistakes and failure, namely that they are （5） things. We’re taught in school, in our families, or at work to feel guilty about failure and to do whatever we can to （6）mistakes. This sense of shame explains why many people give up on their goals: they’re not （7） for the mistakes and failures What’s missing in many people’s beliefs about success is the fact that the more （8）the goal, the more frequent and difficult setbacks will be. The larger your ambitions, the more dependent you will be on your ability to overcome and learn from your mistakes. But for many reasons admitting mistakes is difficult. An implied value in many cultures is that our work represents us: if you fail a test, then you are a （9）. If you make a mistake then you are a mistake. Learning from mistakes requires three things: putting yourself in situations where you can make interesting mistakes; having the self-confidence to admit to them; being （10）about making changes. （10）内应选（）

垫层是设置在（）之间的结构层

货检人员对剧毒品车辆要重点检查。要认真检查剧毒品车辆、集装箱等状态，没有押运员的必须及时通知（）处理，同时通知公安部门采取监护措施。

涂膜防水屋面质量验收时，防水涂料和胎体增强材料必须符合设计要求，其检验方法有（）

普萘洛尔的作用有（）

客户价值的分类标准来自于对客户价值的认识。

根据油脂的透明度，可以初步了解油脂的（）程度。

由于储存蜡的温度过高通风搅拌时就易引起（）.