screw tap

常见例句

At present, screwdriver and screw tap are hardware which is often used in machining factory.
目前，在機械加工工廠裡，螺釘鏇具和絲錐是較爲常用的兩種五金工具。
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The utility model relates to a screw tap used in the manufacturing of a clip of a bridge prestressing force anchor holder.
本實用新型涉及一種橋梁預應力錨夾具的夾片制造用絲錐。
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there has no screw thread on the installation hole on head of water-cooling. It's difficult to install it by the screw tap which along the products.
産品有以下缺陷：水冷頭上的安裝孔沒有螺紋，用配帶的自攻螺絲安裝非常睏難。
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