- signal mask
- 信号: signal; semaphore; gun
- 挡板: guard; back plate; baffle; d ...
- 挡板: guard; back plate; baffle; damper screen; retainer; baffle plate; baffler; dam board; bumper; parting; partition; blind bumper plate; repelling; board; siding; splash board◇挡板调节 baffling; damper adjustment
- 边挡板: edge dam
- 窗挡板: window shutter
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