首页/ 题库 / [单选题]啤酒瓶盖垫片的材料多为PVC,即()的答案

啤酒瓶盖垫片的材料多为PVC,即()

单选题
2022-02-23 14:59
A、乙烯
B、橡胶
C、氯乙烯
D、聚氯乙烯
查看答案

正确答案
D

试题解析

标签: 大学试题 工学
相关题目
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

常见的装饰材料中PVC是对()的简称。
垫片安装要求选得对,即法兰、螺栓、螺母及垫片的型式、材料、尺寸、机械性能应根据操作条件要选对
啤酒的风味稳定性,即啤酒经灌装后,在规定的保质期内,啤酒的香气和口味无显著变化。
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
北平大学第二工学院院长是谁?()
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
西北工业大学前身国立西北工学院正式成立于()。
翻译:With Average or With Particular Average(WA or WPA)()
啤酒皇冠瓶盖的齿数为()。
啤酒瓶盖上的锯齿有多少个?()
一啤酒瓶盖盐大约等于几克盐()
啤酒瓶盖垫片的材料多为PVC,即()
按密封原理(即密封垫片受力情况)垫片密封可分为哪几类?
广告位招租WX:84302438

免费的网站请分享给朋友吧