notchboard

英 ['nɒtʃbɔːd] 美 ['nɒtʃbɔːd]

释义
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- n. 凹板(楼梯的搁板)
临近单词

notcher notch notched tensile specimen Notched intensity factor notched plastic spreader notch sensitivity factor notched bar tensile test Notch on a serrated edge notched tensile strength notched tensile speciman notch fracture toughness notch of ligamentum teres

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