The full open position in straight pattern globe valves has higher differential pressure (pressure losses) than an obliquepattern valve.
与倾斜式结构相比，直线式结构截止阀在全开位置具有更高的压差(压力损失)。
2
Objective To investigate the effects of inferior oblique muscles weakening on V pattern esotropia.
目的探讨下斜肌减弱术对内斜视V征治疗效果。
3
Methods Pre- and post-operative eye position, superior oblique muscle function, clinical features and binocular function were examined and analyzed in 32 patients with A-pattern exotropia.