If the sweat liquid, the hearing aid connectinghose and hearing aid ear hook separation rule.
如有汗等液体时，可将助听器连接软管与助听器耳钩分离排除。
2
Backseating the valve stops any flame from traveling through the valve and connectinghose into the crankcase.
落座的阀门阻止火焰通过阀门和连接管进入曲轴箱。
3
Different arrangement of the piping, different connecting manner of the hose and steel pipe, different air leakage and different operation conditions would have influence on conveying capacity.