问题
问答题 简答题
怎样区分冲孔和落料?
答案
参考答案:
一般情况下,板料经冲裁后形成两部分,即冲落部分和带孔部分。
若冲裁的目地是为了制取一定外形的工件,即冲落部分为需要的称为落料:反之冲裁的目地是为了加工一定形状的内孔,冲下的为费料,称为冲孔。
怎样区分冲孔和落料?
参考答案:
一般情况下,板料经冲裁后形成两部分,即冲落部分和带孔部分。
若冲裁的目地是为了制取一定外形的工件,即冲落部分为需要的称为落料:反之冲裁的目地是为了加工一定形状的内孔,冲下的为费料,称为冲孔。
Put on your sunglasses and enjoy the island, the sun and the blue sea. Malta combines (结合) learning English with the Mediterranean way of life: you will have a language course and a great holiday at the same time. Your language course Our school lies in Sliema, only a few meters from the sea, the beach road and cafés. The school is in an old Maltese building. Our teachers use a modern teaching method and you will learn English quickly. Brief information
Our school and team leaders organize varied leisure programmes. There will be a welcome party on your first day. You will also take part in beach volleyball, and beach parties. Other activities include: Discos, visit to Popeye Village, Water Park, bowling, cinema, ice skating (different prices). Accommodation Family: You will live in friendly host families that the school has known for years. All families are near the school (20 minutes on foot or by bus). Supervision (监督) Our team of friendly teachers, team leaders and host families will always be there for you. There is also an emergency phone number for parents and students. Dear parents, please note that there are periods of time when your children are unsupervised, for example on the way to school. We are happy to discuss any questions you may have. Please contact us by phone or email. 小题1:If you want to attend the English course in Malta, you should ______.
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