自力式差压调节阀 self operated differential pressure regulator

自力式压差控制阀 ZYC ; self-operate differential pressure control valve ; self-operated differential pressure valve

自控能力很差 self-control is so poor

自理能力差 Poor self-care ability ; Poor self-care ; Poor ability of self

自制力差怎么办 How to do self-control difference ; What poor self-control

自力式差压单座调节阀 ZZCP

自力式差压双座调节阀 ZZCN

我们的自控能力差 Our poor self-control

自力性差的 dependent