| 单词 | crosshead |
| 释义 | crosshead /kraws"hed', kros"-/, n. 1. Print. a title or heading filling a line or group of lines the full width of the column. 2. Mach. a sliding member of a reciprocating engine for keeping the motion of the joint between a piston rod and a connecting rod in a straight line. 3. Naut. a crosspiece on a rudderpost by which the rudder is turned. 4. Engin. , Building Trades. a transverse timber for transmitting the lifting effort of two or more jackscrews supporting it to the foot of a shore that it supports. Cf. shore2 (def. 1). [1835-45; CROSS- + HEAD] |
| 随便看 |
|
英语词典包含168451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。