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on-off action
auto.	开关通断作用
el.	分合动作
IT	开关〔"通-断"〕作用; "开关"式动作
refrig.	开-关控制
tech.	开关作用; 开闭作用; 开一关作用
wind.	通一断作用; 开闭动作
on-off-action
busin.	"开/关"动作

on-off action: 3 phrases in 1 subject

Technology

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