| 单词 | vacuum-brake | 
| 释义 | > as lemmasvacuum-brake   vacuum-brake  n. ΘΚΠ society > travel > means of travel > a conveyance > vehicle > vehicles according to means of motion > vehicle moving on wheels > 			[noun]		 > parts of vehicle moving on wheels > devices to retard or stop motion > brake or braking apparatus > types of handbrake1841 rubber1850 air brake1857 disc brake1865 power brake1865 hydraulic brake1874 vacuum-brake1875 rim brake1876 drum brake1882 sand brakea1884 calliper brake1904 rheostatic brake1920 callipers1972 1875    E. H. Knight Amer. Mech. Dict. III. 2686/1  				Vacuum-brake, a form of steam-operated car-brake. 1889    G. Findlay Working & Managem. Eng. Railway 168  				The train is fitted throughout with vacuum brakes. < as lemmas  | 
	
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