“spud”的概念、定义、翻译、参考文献-科学参考

单词	spud
释义	spud [spǝd] ^{DESIGN ENGINEERING} 1. A diamond-point drill bit. 2. An offset type of fishing tool used to clear a space around tools stuck in a borehole. 3. Any of various spade- or chisel-shaped tools or mechanical devices. 4. See <<grouser>> ^{MINING ENGINEERING} A nail, resembling a horseshoe nail, with a hole in the head, driven into mine timbering or into a wooden plug inserted in the rock to mark a surveying station. ^{NAVAL ARCHITECTURE} A foot piece to provide support for the legs of the A frame of a floating dipper dredge.
随便看	heterogametic sex heterogamety heterogamous heterogamy heterogeneity heterogeneous heterogeneous catalysis heterogeneous chemical reaction heterogeneous fluid heterogeneous radiation heterogeneous reactor heterogeneous reservoir heterogeneous ribonucleic acid heterogeneous strain Heterogeneratae heterogenesis heterogenetic antigen heterogenite heterogenous heterogenous vaccine Heterognathi heterogony heterograft heterohemolysin heterojunction

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