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【多选题】
装配示意图是在部件拆卸过程中所画的示意性图样，其作用是( )A.
避免由于零件拆卸后可能产生错乱而给重新装配时带来困难
B.
它是通过目测，徒手用简单的线条示意性地画出部件的图样
C.
主要表达部件的装配关系、工作原理、传动路线等，而不是整个部件的详细结构和各个零件的形状
D.
画装配示意图时，只要能表达结构即可，没有规定画法
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【多选题】How do they make a living now?
A.
They raise sheep and goats
B.
They grow their own vegetables and have some chickens
C.
They live on the money saved before
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