最有幸福的,只是勤劳的劳动之后。——翟秋白。
One of the most happiness, just after the industrious labor.
白木材,春木和秋木之间颜色差别非常小。
SPF lumber is a distinctly white wood, with very little color variation between springwood and summerwood.
白木材,春木和秋木之间颜色差别非常小。
SPF lumber is a distinctly white wood, with very little color variation between springwood and summerwood.
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