HSK V6
Correct

开关

/ kāiguān / 
Strokes

Definition

power switch/gas valve/to open the city (or frontier) gate/to open and close/to switch on and off

Example

As a Noun
switch; breaker
1
Zǒng
总
kāiguān
开关

master switch

2
Zhuǎnhuàn
转换
kāiguān
开关

changeover switch

3
Zhádāo
闸刀
kāiguān
开关

knife-blade switch; knife-break switch; knife-edge switch; knife switch

4
Yóuyā
油压
kāiguān
开关

oil pressure switch

5
Xiànwèi
限位
kāiguān
开关

limit switch

6
Tōng
通
duàn
断
kāiguān
开关

on-off switch

7
Tánhuáng
弹簧
  
/
dǎo
倒
bān
扳
kāiguān
开关

snap/tumbler switch

8
Hézhuāng
盒装
kāiguān
开关

protected switch

9
Bùjìn
步进
kāiguān
开关

step switch

10
Duō
多
wèi
位
kāiguān
开关

multiple-position switch

11
Diàndēng
电灯
kāiguān
开关

light switch

12
Ànniǔ
按钮
kāiguān
开关

push-bottom switch

13
Ānquán
安全
  
/
fáng
防
diànjī
电击
kāiguān
开关

safety/shockproof switch

14
Hé
合
shàng
上
kāiguān
开关

close a switch

15
Duànkāi
断开
kāiguān
开关

break a switch

As a Noun
button; knob
16
Yóumén
油门
kāiguān
开关

button for oil; oil button

17
Qìmén
气门
kāiguān
开关

button for gas; gas button

18
Méiqì
煤气
kāiguān
开关

gas-tap; gas-cock

As a Verb
clear customs
As a Verb
open a city or post for trade