单词 | p trap |
释义 | > as lemmasP trap P trap n. a trap consisting of a U-bend the upper part of whose outlet arm is bent horizontal or nearly so. ΚΠ 1885 P. J. Davies Standard Pract. Plumbing I. 103 Fig. 205 is the ordinary half ?-trap, wrongly called ?-trap. 1890 W. R. Maguire Domest. Sanit. Drainage vi. 206 No. 1 is the S-trap; No. 2, half S-trap; No. 3, P-trap. 1976 R. Day All about Plumbing 64/1 In a ground floor w.c. it is usual to fit an S trap,..but in an upstairs floor w.c., a P trap is usually installed. 1984 J. Worthington & D. Knight Home Plumbing 77/2 With the ‘P’ trap the outlet is nominally horizontal. < as lemmas |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。