When an oil pool or field has been discovered, wells are drilled into the ground.
当发现一个油藏或油田时，就在地下打井。
Water-proof for water tower, swimming pool, oil pool, toilet, internal and external wall and floor.
水塔、游泳池、油池、厕卫间及室内、外墙地面防水。
Water-proof for water tower, swimming pool, oil pool, toilet, internal and external wall and floor.
水塔、游泳池、油池、厕卫间及室内、外墙地面防水。
应用推荐