| 单词 | half-lattice girder | 
| 释义 | > as lemmashalf-lattice girder   half-lattice girder  n. a girder consisting of a single system or row of triangles; a Warren girder (see Warren n.2). Π 1858    W. J. M. Rankine Man. Appl. Mech.  ii. ii. 160  				In a lattice girder, as in a half-lattice girder, there are a horizontal upper and lower bar; but whereas a half-lattice girder contains but one zig-zag set of diagonal bars, a lattice girder contains two or more sets. 1920    D. A. Low Pocket-Bk. Mech. Engineers 288  				The adjacent figure shows the stress diagram for a Warren girder or half-lattice girder carrying a single load AB concentrated at one of the joints in the top boom. 1993    J. S. Scott Dict. Civil Engin. 		(ed. 4)	 208/2  				Half-lattice girder, a Warren girder. half-lattice girder   half-lattice girder  n. one consisting of a single system or row of triangles. ΚΠ a1877    E. H. Knight Pract. Dict. Mech. II. 1049/2  				Half-lattice girder, a form of girder..consisting of horizontal upper and lower bars, and a series of diagonal bars, sloping alternately in opposite directions, and dividing the space between the bars into a series of triangles. < as lemmas | 
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