| 单词 | sucker-rod | 
| 释义 | > as lemmassucker-rod   sucker-rod  n. (see quots.). ΚΠ 1865    Harper's Mag. Apr. 571/1  				Small engines are used in most cases, with hardly sufficient power to raise the sucker-rod out of a deep well. 1875    E. H. Knight Amer. Mech. Dict. III. 2442/2  				Sucker-rod, a rod connecting the brake of a pump with the bucket. 1881    Trans. Amer. Inst. Mining Engineers 1880–1 9 184  				Sucker-rod, the pump-rod of an oil-well. < as lemmas  | 
	
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