词汇	gray post
释义	gray post 灰色砂岩
随便看	threaded insert threaded inserts used as fastening elements threaded inspection opening threaded internet newsreader threaded interpreter threaded-in winding threaded joint threaded jointing threaded joints threaded language threaded ligation threaded link threaded list threaded lists threadedly threaded macrocycle threaded mandrel threaded multitasking threaded nail threaded nails threaded neck cavity threaded newsreader threaded nipple threaded nozzle threaded nozzle adaptor