塞: fill in; stuff入门: cross the threshold; learn t ...导轮: guide idler; guide pulley; j ...塞入门: plug door塞入: choking; cram; fill in; intrude导轮: 1.[机械工程] guide idler; guide pulley (压带轮); jockey roller (惰轮); idler pulley (空转轮; 滚轮)2.(装在机车或新式农具前部, 不能自动而只有支撑作用, 亦称先轮) pilot wheel; control wheel; guide wheel; guiding wheel入门: 1.(初步学会) cross the threshold; learn the abc of; ushered into a subject; learn the rudiments of a subject 他学汉语刚刚入门。 he has just learned the rudiments of chinese. 我还没入门呢。 i don't even know the abc of the subject yet. 他是我的入门师傅。he is the master who initiated me into the craft. 入门不难,深造不易。 to cross the threshold is not difficult, but mastery is another question.2.(指初级读物; 基本知识) elementary course; abc; guide: 《摄影入门》 the abc of photography; 《英语语法入门》 elementary english grammar; 入门书 guide book; 入门研究 isagogics门导块: door gib门导靴: gate guide shoe闭塞入: incoming blocked零塞入: zero stuffing塞入;填入: to cram people into a railroad car塞入;压入: forcing塞入比: stuffing ratio磁导轮: magnetic tracer roller导轮轨: idler track导轮架: wheel frame导轮叶: guide wheel blade导轮轴: guide wheel shaft导轮组: idler shaft前导轮: forecarriage wheel; front jockey wheel; gauge wheel上导轮: top tumbler; upper block吸导轮: suction guide wheel下导轮: bottom tumbler引导轮: front idler