core bit

英美

释义
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- n. 能取岩芯的钻头
英英释义
Noun:

a hollow drilling bit that is the cutting part of a core drill; allows core samples to be taken
临近单词

Coreg core core/cladding core curing oven core constitutes core-loss test Corex tube Corex core competetion core ventilation core bar drawing core orientation Coregonus pelded

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