开关阀

air horn valve

气喇叭阀

air horn switch;气喇叭开关 | air horn valve;气喇叭阀 | air hose;送气软管

Swing check valve

回转止回阀

surrounding stop stopper 止板挡块 | swing check valve 回转止回阀 | switch 开关

cutoff valve

断流阀

断流开关 cutoff switch | 断流阀 cutoff valve | 自动限电器;自动截止器 cutoff; automatic

motor-driven valve

电动机拖动阀

motor-driven switch-group 机动组合开关 | motor-driven valve 电动机拖动阀 | motor-driven welding machine 电动旋转式焊机

float needle valve

浮子针阀

float meter 浮尺 | float needle valve 浮子针阀 | float operated explosion-proof mercury switch 浮子操动防爆水银开关

selector valve

选择器阀

selector switch 选择开关 | selector valve 选择器阀 | self aspirating foam making equipment 自吸式发泡设备

self-acting valve

自动阀

self-acting thermostat 自动恒温器 | self-acting valve 自动阀 | self-activated switch 自激开关

quick-break switch

急断开关

quick-action ball valve 快动作球阀 | quick-break switch 急断开关 | quick-burning composition 速燃成分

three-position switch

三位置开关

three position relay 三位置继电器 | three position switch 三位置开关 | three position valve 三通阀

three-position switch

三位开关

three position four-way valve 三位四通阀 | three position switch 三位开关 | three post cruxform bollard 三柱十字桩

photoperiodic response：光周期响应

photoperiodic induction 光周期诱导 | photoperiodic response 光周期响应 | photoperiodism 光期性

Multi-Variate Statistical Analysis：多元统计剖析

311. 多项距阵 Multi-Nominal Matrix | 312. 多元统计剖析 Multi-Variate Statistical Analysis | 313. 发电厂 Power Plant