皮皮学，免费搜题
登录
搜题
【简答题】
什么是工件的欠定位?什么是工件的过定位?
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】听力原文： In the early 180Os, the paper industry was still using rags as its basic source of fiber as it had for many centuries. However, the rag supply couldn't keep up with the growing demand for paper....
A.
wood pulp was of good quality
B.
wood pulp was very cheap
C.
rags were not enough
D.
rags could not be obtained in the U. S.
【简答题】网上查询一种豆豉加工方法,可以是自制方法,也可以是工业化方法
【单选题】听力原文： In the early 1800s, the paper industry was still using rags as its basic source of fiber as it had for many centuries. However, the rag supply couldn’t keep up with the growing demand for paper....
A.
the growth of the printing industry
B.
the history of paper-making
C.
the use of paper in the 19th century
D.
the composition of wood fiber
【简答题】我国水产食品加工一般可分为哪两大类,并分别举3种以上加工方法。
【单选题】听力原文： In the early 180Os, the paper industry was still using rags as its basic source of fiber just as it had for many centuries. However, the rag supply couldn't keep up with the growing demand for p...
A.
Publishers wanted higher quality paper.
B.
Paper made from rags deteriorated too quickly.
C.
Wood pulp had become too expensive.
D.
The supply of rags was insufficient.
相关题目：