exploratory
1.exploratory machinery
2.exploratory tunnel
3.exploratory trench
5.exploratory tunnel drilling method
6.horizontal exploratory tunnel supporting
7.an exploratory operation; exploratory reconnaisance; digging an exploratory well in the Gulf of Mexico; exploratory talks between diplomats.
8.hydraulic engineering geological exploratory survey
9.an exploratory action or expedition.
10.To conduct an exploratory investigation; search.
