首 页
大学试题
CMS专题
工学
经济学
专升本
法学
教育学
历史学
更多分类
搜索
题库考试答案搜索网 > 题目详情
当前位置：
首页
>
生皮和革的区别
>
题目详情
问题题干
答案解析
相关问题
热门问题
最新问题
问题详情
生皮和革的区别
时间：2023-03-10 12:08
关键词：
制革工艺学
化学工程
答案解析
<p> 生皮是从动物体上剥下，没有经过任何化学处理和机械加工的皮。革是生皮经过一系列化学和机械处理，特别是经过鞣制处理，成为具备一定使用性能的产品（天然高分子材料）。</p>
相关问题
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.
A cabinet or space containing the controls or valves for the fixed firefighting system must be（）.
生皮与革的区别？
最新问题
生皮为何能充水？生皮在什么情况下会发生膨胀？膨胀的原因是什么？
生皮中用于制革的部分是（）。
Mainly east 3 or 4 partly cloudy to overcast occasional rain（）slowly south moderate or good.
（）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.
If he is a common carrier，he is absolutely responsible to the owner of the goods carried （）any loss or damage to them unless caused by an Act of God or the Queen’s enemies，or the inherent vice in the goods themselves，or the negligence of the owner of the goods，or a general average sacrifice.
系统中雷达状态包括Unknown、Operational（or ON）、Failed（or OFF）、Detached。
Owners are to be responsible for loss of or damage to the goods or delay in delivery of the goods only in case the loss，damage or delay has been caused by the improper or negligent stowage of the goods．This means that（）.
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.
别人在看
题库考试答案搜索网 > 题目详情