先: earlier; before; first; in a ...钻: drill; auger先钻后扩法: reaming-after-boring method预先钻进: pilot boring预先钻探: preboring预先钻孔的管坯: predrilled billet先组式索引: pre-coordinate index先佐夫: sentsov先组式词表: pre-coordinate vocabulary先做各种扣除后个人分配: deductions before distribution先组式标引法: pre-coordinate indexing system先做学生后做先生: be a pupil before you become a teacher. be used as先祖之力: ancestral power先做一个变化表: movement schedule先祖之魂: ancestral spirit
