试算: dibble-dabblemethod by trialpilot calculationpilotcalculationpreparing trial balanceprovisional estimatetentative calculationtrial
试井: test boreholetest drillingtest shafttest welltest-drillingwell performance testingwell testingwildcat
Example Sentences:
1.
Confirm the location of the underground electricity cable by exposing the cable using hand - dug trial holes should the depth of excavation be 450 mm or more under the ground 如地下挖掘深度为450毫米或以上，必须透过手挖试孔使地下电缆显露以确定电缆的位置。
