挡: keep off; ward off; block; r ...簧: reed spring挡灰板: ash damper挡环式链: stud type chain挡回板: deflector board挡环: baffle ring; retaining collar; stopper挡火板: fire damper board挡洪栅: flood fencing挡火材料: fire-barrier material挡横儿: (从中干涉、拦阻) meddle and prevent; interfere and make difficulties; get in the way挡火舱壁: fire screen bulkhead挡光屏: light trap
