| 单词 | ice apron |
| 释义 | > as lemmasice apron ice apron n. (a) = ice guard n. (a) (now rare); (b) an outspread deposit of ice at the foot of a glacier or slope; cf. apron n. 4i. ΘΚΠ society > travel > means of travel > route or way > other means of passage or access > [noun] > bridge > parts of pierlOE bridge foota1450 heada1450 staddling1461 foota1500 bridge end1515 jowel1516 causey1523 starling?c1684 rib1735 spur1736 icebreaker1744 jetty1772 cutwater1776 roadway1798 sleeper1823 water-breaker1823 centrya1834 stem1835 suspension-tower1842 cantilever1850 semi-beam1850 pylon1851 half-chess1853 span1862 sway-bracing1864 needle-beam1867 ice apron1871 newel1882 flood-arch1891 needle girder1898 sway-brace1909 trough flooring1911 1871 Rep. Engineer-in-Chief Illinois & St. Louis Bridge Co. 1870 41 The ice-aprons were two hundred feet long and sixty feet wide. 1910 Geogr. Jrnl. 35 273 Above the ice apron and within the range, the piedmont glacier bears a close resemblance to the valley type. 1967 Proc. 12th Congr. Internat. Assoc. Hydraul. Res. 4 ii. 268 Experiments confirm that the ice pressure on a pier with an inclined ice apron is appreciably less than on a pier with a vertical ice apron. 2004 A. Selters Ways to Sky 202/2 They made reasonably swift progress on an ice apron at the edge of the face's hanging glacier. < as lemmas |
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