Lappet and spindle setting not correct.
叶子板和锭子设置不正确。
The main valve spindle incorporates an inner spindle for double regulation memory stop and valve position setting.
主阀轴配置一个内轴，适用于双重调节止动记忆和阀门位置设置。
The main valve spindle incorporates an inner spindle for double regulation memory stop and valve position setting.
主阀轴配置一个内轴，适用于双重调节止动记忆和阀门位置设置。
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