“ratchet”的概念、定义、翻译、参考文献-科学参考

单词	ratchet
释义	ratchet [`rach·ǝt] ^{DESIGN ENGINEERING} A wheel, usually toothed, operating with a catch or a pawl so as to rotate in only a single direction.
随便看	pebble coal pebble conglomerate pebble dike pebble heater pebble mill pebble peat pebble phosphate pebbles pebblestone pebble-weave pebbling pebbly mudstone pebbly sand pebbly sandstone pecan peccary peck pecker pecking order Peclet number Pecora pecten Pectenidae pectic acid pectin

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。