| 单词 | anchor |
| 释义 | anchor [`aŋ·kǝr] CIVIL ENGINEERING A device connecting a structure to a heavy masonry or concrete object to a metal plate or to the ground to hold the structure in place. ENGINEERING A device, such as a metal rod, wire,or strap, for fixing one object to another, such as specially formed metal connectors used to fasten together timbers, masonry, or trusses. INVERTEBRATE ZOOLOGY 1. An anchor-shaped spicule in the integument of sea cucumbers. 2. An anchor-shaped ossicle in echinoderms. MECHANICAL ENGINEERING 1. In steam plowing, a vehicle located on the side of the field opposite that of the engine and maintaining the tension on the endless wire by means of a pulley. 2. A device for a piping system that maintains the correct position and direction of the pipes and controls pipe movement occurring as a result of thermal expansion. METALLURGY A device that prevents the movement of sand cores in molds. NAVAL ARCHITECTURE A device attached by cable to a ship and dropped overboard so that its hooks or flukes engage the bottom and hold the ship at that location. |
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