Home > Term: jugglers
jugglers
Timbers set obliquely against pillars of coal to carry a plank partition, making a triangular air passage or manway.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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ผู้สร้าง
- ed.young
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(Milwaukee, United States)