bailer,valvedrillbit(valveauger)词语:bailer,valvedrillbit(valveauger)解释:戽斗,阀钻头(螺旋阀)词典:专利专业英汉词典bailer,valvedrillbit(valveauger)相关解释戽斗,阀钻头(螺旋阀)bailer,valvedrillbit(valveauger)......