[00:00.34]工程车《挖掘机》早教知识儿歌 - 向日葵儿歌
[00:05.67]挖掘机 挖掘威力显
[00:08.40]挖掘能手力无穷
[00:11.11]铁臂轻挥土自松
[00:13.82]建设城乡功赫赫
[00:16.54]力非凡铁臂力千钧
[00:19.25]高楼大厦立勋功
[00:21.96]机声震响意如虹
[00:24.64]挖土搬山气势雄
[00:32.82]挖土方建设功劳大
[00:35.50]建设城乡功赫赫
[00:38.30]高楼大厦立勋功
[00:40.89]机声震响意如虹
[00:43.49]建楼兰城乡面貌新
[00:46.26]挖土搬山气势雄
[00:48.89]巧手掀开新画卷
[00:51.57]家园焕彩乐融融