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【多选题】
装配前准备阶段一般包括 。A.
熟悉产品装配图、工艺文件和技术要求，了解产品的结构、零件的作用以及相互连接关系
B.
确定装配的方法、顺序和准备所需要的工具
C.
对装配的零件进行清洗，去掉零件上的毛刺、铁锈、切屑、油污
D.
对有些零件还需要进行刮削等修配工作
E.
将零件和部件结合完整的产品
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皮皮学刷刷变学霸
举一反三
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A.
base
B.
basis
C.
based
D.
basing
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