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

单词	keystone ring
释义	keystone ring 梯形环
随便看	ground-objects identification ground objects identification ground-object spectroradiometer ground-object spec-troradiometer ground observation ground observation post ground observer ground observer center ground offensive ground-off saw ground of inner wall range ground ohmeter ground on ground operation equipment ground operation equipment (goe) ground operation expenses ground organization ground out ground-out groundout ground outlet groundouts ground over-current relay ground owl ground paint 目断千山阻目断四天垂目断孤帆夕阳里目断武陵溪目断江南江北目断秋霄落雁目断闲云千里目极伤心目极无端倪目极魂断望不见皮囊皮坊皮垫皮大衣皮夹儿皮夹克皮子皮实皮尺皮局