姜堰二级建造师考试培训，二建考点：阀门
姜堰二级建造师考试培训，二建考点：阀门按行业分为：
通用阀门、工业阀门、石化用工业阀门、核电厂阀门、建筑用阀门等;
按结构分为：
闸阀、截止阀、节流阀、球阀、蝶阀、隔膜阀、旋塞阀、止回阀、安全阀、减压阀、疏水阀、排污阀、调节阀、分配阀、混合阀、水力控制阀;
按驱动方式分为：
手动阀门、电动阀门、液压或气动阀门
想要了解更多内容，欢迎来电咨询，姜堰上元教育朱老师13004457696
Jiangyan second class constructor examination and training,second construction examination site:valve
By industry:
General purpose valves,industrial valves,petrochemical industrial valves,nuclear power plant valves,building valves,etc;
According to the structure,it is divided into:
Gate valve,stop valve,throttle valve,ball valve,butterfly valve,diaphragm valve,plug valve,check valve,safety valve,pressure reducing v
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