锁孔理论 key lock theory

清理孔 [建] cleaning eye

封孔处理 sealing ; sealing of anodic oxide coating ; sealing treatment

清理毛孔 unclogging

水合封孔处理 hydro-thermal sealing

热水封孔处理 boiling water sealing ; boiling water sealing hot water sealing

水蒸气封孔处理 steam sealing

钻孔处理 well treatment ; borehole transact

淤泥清理孔 mudhole

经理孔庆影 Janet Kong