开关阀

float operated explosion-proof mercury switch

浮子操动防爆水银开关

float needle valve 浮子针阀 | float operated explosion-proof mercury switch 浮子操动防爆水银开关 | float relay for transformer 变压器浮子继电器

automatic shutoff

自动停带开关

automatic shutdown 自动断开(路),自动停止 | automatic shutoff 自动停带开关 | automatic shutoff valve 自动断流阀

double pole single-throw switch

双刀单投开关

double plush 双面长毛绒 | double pole single-throw switch 双刀单投开关 | double ported slide valve 双口滑阀

solenoid switch

螺线管开关

solenoid relay 螺母管继电器 | solenoid switch 螺线管开关 | solenoid vacuum valve 电磁真空阀

Safety spark gap

安全火花间隙 Safety switch 安全开关

Safety relay valve 安全继动阀 | Safety spark gap 安全火花间隙 Safety switch 安全开关 | Safety valve 安全阀

two-way tumbler switch

双联开关

two-way separating zip 双头拉链 | two-way tumbler switch 双联开关 | two-way valve 两通阀

disconnecting switch

切断开关

disconnecting protective panel 断电保护屏 | disconnecting switch 切断开关 | disconnecting valve 截止阀

disconnecting switch

断路器隔离开关

discharge valve 放泄阀 | disconnecting switch 断路器隔离开关 | disconnection 断开

direction control switch

转向控制开关

direction control spool;转向控制滑阀芯 | direction control switch;转向控制开关 | direction control valve;转向控制阀

drum selector switch

卷筒(形)选择器开关

drum scraper assembly;筒形刮土板总成 | drum selector switch;卷筒(形)选择器开关 | drum selector valve;卷筒(形)选择器阀

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