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draw point
expl.
放矿口
在岩体中人工形成的、将爆落矿石装车的放矿通道。它可以是竖井的底部结构，或是通向崩落区的一条平巷
tech.
装车点
;
卸矿点
;
放矿溜井
;
放矿点
textile
手套背面梗条纹饰缝
draw point:
1 phrase
in 1 subject
Technology
1
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