五、常用术语（items）
型号编制：type composition 执行标准：executive standard
截断和调节：throttle and regulate 符合：accord with
扭矩/转矩：torque / torsion 对称紧固：fixed symmetrically
拆卸解体：discharge or dismantle 防护等级：protection grade
绝缘等级：insulation 额定功率：rated power
额定电压：rated voltage 额压频率：rated frequency
电动机：motor 设备编号：serial No.
引水工程：water intake project 阻尼机构：damping mechanism
地下卧式安装：underground horizontal installation
地下立式安装：underground vertical installation
缸材：jar material 规格：specification
型号：type 壳体试验：shell test
公称压力：nominal pressure 公称通径：nominal diameter
密封试验：sealing test 强度试验：strength test
通过介质：suitable media 锥面胶圈：cone rubber circle
水锤峰值：water hammer value 结构长度：face-to-face dimension
结构形式：type of construction 角式：angle type
直流式：Y-globe type 三通式：three way type
常开/闭式：normally open/closed type 波纹管密封式：bellows seal type
保温式：steam jacket type
阀杆头/端部尺寸：dimension of valve stem head / end
内压自封：pressure seat 技术参数：technological parameter
适用介质/温度：suitable medium/temperature
液动装置：hydraulic actuator 电动装置：electric actuator
汽动装置：pneumatic actuator 阻尼装置：damping device
电磁动装置：electro magnetic actuator
电-液动装置：electro hydraulic actuator
密封试验：seal test 上密封试验：back seal test
渗漏量：leakage 吻合度：percent of contact area
主要外形尺寸：main outer size 排放压力：relieving pressure
整定压力：set pressure 超过压力：overpressure
回座压力：re-seating pressure 启闭压差：on-off differential pressure
冷态试验差压力：cold differential test pressure
附加背压力：superimposed back pressure 开启高度：lift
起始升程：commencement of lift 流道面积：flow area
流道直径：flow diameter 帘面积：curtain area
理论排量：theoretical flowing capacity 排量系数：coefficient of discharge
当量计算排量：equivalent calculated capacity 频跳：chatter
颤振：flutter 静态特性：static characteristics
动态特性：dynamic characteristics 偏差：deviation
相对偏差：relative static characteristics deviation
压力增长系数：pressure increasing ratio
最大流量：maximum flow rate 减压比：pressure reducing ratio
关闭压力：lock up pressure 工作背压：operating back pressure
最高充许压力：maximum allowable pressure
最低工作压力：minimum operating pressure
背压率：rate of back pressure 工作压差：operating differential pressure
开/关阀温度：opening /closing valve temperature
排水温度：temperature at discharging 过冷度：subcooled temperature
冷/热凝结水排量：cold/hot condensate capacity
漏汽量：steam loss 无负荷漏汽量：no-load steam loss
弹性的：resilient 凸面的：convex
钢性/坚硬：rigidity 锥柄方头：taper square head
与轴平行的：axially 涂层：paint-coat
轴向伸缩：axial flexibility 排放：discharge air
外力：external force 启闭件：on-off parts
防护剂：protection agent 粘度：viscosity
强度: intensity 管道配件: pipe fittings
内螺纹连接:female screw connection
