досверливать v stresses
gen.	drill; bore (impf of досверлить)
Gruzovik, dril.	finish boring (impf of досверлить); finish drilling (impf of досверлить); drill to/as far as (impf of досверлить); bore to/as far as (impf of досверлить)
досверливаться v
gen.	bore; drill (to, as far as); drill; finish boring