单词	ceramic cores
释义	ceramic cores 定向凝固
随便看	double hop ranging double-hop ranging double hop satellite circuit double-hop satellite circuit double horizontal milling machine double horizontal plate breakwater double horizontal shaft forced mixer double-horizontal shafts double horizontal shaft vibratory mixer double horn double-horn feed for rear-feed double horn loudspeaker double-horn loudspeaker double-horn radiator Double Horse electric fan double horsehide leather strop double horsing planer double-hose rigs double host backup system double house double-house double housing planer double-housing planer double housing surface grinding machine double housing type