| 单词 | forced lubrication | 
| 释义 | > as lemmasforced (feed) lubrication  7.  Of a draught: produced artificially; so  forced-air,  forced ventilation;  forced (feed) lubrication, force-feed lubrication (see force-feed n.). ΚΠ 1864    Webster's Amer. Dict. Eng. Lang. at Draught  				Forced draught, the draft produced by a blower, as by compressing the air beneath a fire. 1885    Marine Engineer 7 39/1 		(heading)	  				On the Application of moderate forced draught to the furnaces of small steam vessels. 1887    Encycl. Brit. XXII. 496/2  				Where forced draught has been substituted for chimney draught. 1898    Westm. Gaz. 18 May 2/3  				In our service we are satisfied with a forced draught trial of four hours as a rule. 1901    Feilden's Mag. 4 441/2  				The forced-air draught fans... Forced-air draught is preferable to steam blast. 1907    J. G. Horner Henley's Encycl. Pract. Engin. V. 40/2  				It is hardly possible to overrate the importance of forced lubrication in modern practice. 1907    Westm. Gaz. 19 Nov. 4/2  				Forced feed lubrication. 1909    Westm. Gaz. 12 Aug. 4/2  				Designing an engine on the forced-induction principle. 1930    Engineering 28 Feb. 280/3  				Forced lubrication is employed for the main engine and for the turbo-blower. 1960    Farmer & Stockbreeder 19 Jan. 108/1  				The forced-draught cabinet incubators. 1971    Sci. Amer. May 73/3  				In a forced-draft [cooling] tower the fan is at the bottom and pushes the air up through the tower. < as lemmas | 
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