英:[kaʊntə'bɔ:]
美:[kaʊntə'bɔ]
英:[kaʊntə'bɔ:]
美:[kaʊntə'bɔ]
复数:counterbores
第三人称单数:counterbores
现在分词:counterboring
过去式:counterbored
过去分词:counterbored
transitive verb
to form a counterbore in : enlarge (part of a hole) by means of a counterbore
noun
a flat-bottomed enlargement of the mouth of a cylindrical bore
a drill for making a counterbore compare countersink
Transitive verbcounter- + bore
1 Our products including End Mills, Machine Taps, Reamers, Center drills, Counterbore, Countersinks, Core drills, HSS tool bits and milling cutters.
公司产品包括:直柄、锥柄铣刀、丝锥、中心钻、倒角刀、扩孔钻、铰刀、锥钻、直钻及各类高速钢刀具。
2 This paper discussed a method of counterbore machining by using though-hole orientation to improve the efficiency of lower exact counterbore volume-produce and reduce the cost of corporation.
利用沉头孔通孔二次定位加工沉头孔盲孔的方法,可提高批量较大、精度要求较低的沉头孔加工效率,节约企业的加工成本。
3 For enlarging a hole for a certain distance the counterbore is employed.
4 When the cannon is loaded, a small quantity of powder is placed in the counterbore, and the spark between C and E ignites this and discharges the cannon.
5 For counterboring small holes or for facing the metal around their ends, the form of counterbore shown in Fig.
1 导孔