Home > Term: profilograph
profilograph
An instrument for plotting the perimeter profile of an airway on a reduced scale, and primarily used when taking air measurements underground.
- 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)