- pilot boring
- pilotboring
- 先行: go ahead of the rest; start ...
- 试钻: test drilling
- 先行试销: first put on trial sale
- 这种新产品将在本市先行试销: the new products will first be put on trial sale in this city
- 先行: 1.(走在前面) go ahead of the rest; start off before the others 兵马未动, 粮草先行。 food and fodder should go ahead of troops and horses.2.(预先进行) beforehand; in advance 先行通知 notify in advance; 先行准备 make preparations beforehand; 这种新产品将在本市先行试销。 the new products will first be put on trial sale in this city.; 先行官 commander of an advance unit [vanguard]; 先行者 foregoer; forthgoer; forerunner; 先行主语 [语言学] anticipatory subject
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