攻絲前鉆孔 的英文怎麼說
中文拼音 [gōngsīqiánzhēnkǒng]
攻絲前鉆孔
英文
vorbohren rough-bore-
Subland twist drills with cylindrical shanks for holes prior to tapping screw threads
攻絲前鉆孔用圓柱柄階梯麻花鉆Subland twist drills with morse taper shanks for holes prior to tapping screw threads
攻絲前鉆孔用莫氏錐柄階梯麻花鉆Subland twist drills for holes prior to tapping screw threads. part 1 : the types and dimensions for subland twist drills with parallel shanks
攻絲前鉆孔用階梯麻花鉆第1部分:直柄階梯麻花鉆的型式和尺寸Subland twist drills for holes prior to tapping screw threads. part 1 : the types and dimensions for subland twist drills with morse shanks
攻絲前鉆孔用階梯麻花鉆第2部分:莫式錐柄階梯麻花鉆的型式和尺寸分享友人