trap door是什么意思

网络释义

1)trap door,活板门2)trap door,电梯活板门3)trap door latch,活板门插销4)flap,活板5)moving board,可调活板6)looes-plate type,活板式

SGW-40(80)T scraper conveyor drive end unit of looes-plate type;

活板式SGW-40(80)T型刮板机机尾