两截门 Dutch door ; stable door

前截门 front intercept valve

云母片截门 [建] mica flap valve

双截门 double-leaf door

后截门 rear intercept valve

截断阀门 cut-out cock

自动堵截阀门 automatic cutout valve

截止门 shutoff gate ; intercept valve

半截玻璃门 half-glass door

高压截止门 high pressure stop valve