英语词汇“gratuitous utility”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	gratuitous utility
释义	gratuitous utility 无偿效用
随便看	bolted-on bolted-on attachment bolted on attachment bolted on connection bolted-on connection bolted out bolted pile bolted plate manhole bolted rail crossing bolted rigid frog bolted sectional dock bolted section dock bolted spherical node bolted splice bolted steel bridge bolted three-phase fault bolted through stay bolted type built-up gear bolted type dead end clamp bolted type deadend clamp bolted-type separable connector boltel bolt electric heating rod boltels bolt embedded welding 江雨初晴思远步，日西独向愚溪渡。渡头水落村径成，撩乱浮槎在高树江雨霏霏江草齐，六朝如梦鸟空啼江静潮初落，林昏瘴不开江静潮初落，林昏瘴不开。江静闻山狖，川长数塞鸿江面江革行佣供母江风扬浪动云根，重碇危樯白日昏江风萧萧云拂地，山木惨惨天欲雨。江鱼不池活，野鸟难笼驯垫肩垫背垫脚垫脚凳垫脚石垫舌根垫补垫话垫资垫踹儿