单词	ribbed bolt
释义	ribbed bolt 棱螺栓
随便看	downhill skiing down hill telemark swing downhill transport down hill turn down hill welding down hold downhold down-hole downhole downhole air hammer downhole axial flow turbine-pump unit downhole chamber downhole choke downhole condition downhole drill down-hole drill downhole dynadrill downhole dynagraph downhole electric heater downhole electrodrill downhole electronic pressure bomb downhole engine pump downhole equipment downhole explosion downhole flowmeter 4334252 433425212 433425214 433425221 433425222 433425235 433425251 433425321 433425351 433425415 端倪端先端切れ端切れ端切レ端切レ端午端厳端唄端坐