drag bit
Any squid of the order Teuthida
A drill bit usually designed for use in soft formation, such as sand clay, or some soft rock. Uses include drilling water wells, that consists of a drill pipe connector attached to blades on the end. The cutting edge of the drag bit is often tungsten carbide.
Not of or pertaining to a kitchen.
Relating to fats / lipids and the liver
作業者は摩耗した軟質地盤用のドリルビットを、砂質粘土への貫入性を向上させるためにタングステンカーバイド先端の新しいモデルに交換した。
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DiQt
Free
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