down final limit and terminal stopping switch 最低限位及最低楼层停机掣 down rod 悬杆 down-draught diverter 倒风折流器;拔风罩 ..
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emergency shut down rod 事故停机棒
shut down rod 停堆棒
central shut-down rod 中心停堆棒
shut-down rod 停堆棒
up-and-down rod 直立杆 ; 上下联杆
tie down rod 系留杆
draw down rod 压延棒
holding-down rod assembly 固定拉杆
down lock operating rod 下位锁操纵杆
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