| 单词 | bucket-door | 
| 释义 | > as lemmasbucket-door   bucket-door  n. the cover of an opening which gives access to the buckets of a pump. ΘΚΠ society > occupation and work > equipment > pump > 			[noun]		 > other parts of pumps pump box1422 pump-staff1422 pump-tree1617 branch1659 pump rod1731 pear-gauge1753 barometer-gauge1783 bucket-door1797 head1824 balance-bob1838 suction primer1875 cup-leather1889 airline1893 1797    J. Curr Coal Viewer 74  				Cross Bars and Bolts for Bucket and Clack Doors. < as lemmas | 
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