接管: take over control; take over开: open; turn on; switch on; be ...孔: hole; opening; aperture补强: reinforce接管开孔,补强的: nozzle openings, reinforced大型球罐接管开孔补强的探讨: a discussion on the opening reinforcement of the nozzle of the large spherical tanks未补强的接管开孔: unreinforced nozzles openings开孔补强: in opening reinforcement; reinforcement for openings; reinforcement of openings接管开孔的焊缝补强: welded reinforcement of nozzle openings接管开孔的焊接补强: welded reinforcement of nozzle opening接管开孔: nozzle openings接管开孔比: nozzle opening ratio; nozzleopeningratio并联孔开孔补强: reinforcement of multi-openings外压容器开孔补强: opening reinforcement of external pressure vessel接管开孔 喷油孔: nozzleopening球壳大开孔补强设计方法评议: review of reinforcement design of spherical shell with big nozzle火焰管开孔: linear opening井管开孔器: well knife套管开孔: window opening补强的开孔: reinforced opening井中套管开孔: cutting window接管补强: nozzle reinforcement接管加厚补强: reinforcement by thickened nozzle邻近开孔的补强: reinforcement for adjacent openings不要求补强的圆形开孔: circular openings not requiring reinforcement