Painting is silent poetry, and poetry is a speaking picture.
A home without love is no more a home than a body without soul is a man.
Laziness travels so slowly that poverty soon overtakes him.
狭义的在产品包括( )。
A. 需进一步加工的半成品
B. 正在某一工序加工的在产品
C. 对外销售的自制半成品
D. 产成品
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