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threads per inch
auto. 每英寸螺距数
dril. 每英寸丝扣数
mech. 每英寸螺纹数
mech.eng. 每英寸螺纹牙数; 每英寸螺纹丝扣
tech. 每英寸螺线数; 每英寸扣数
thread per inch
qual.cont. 织物密度
 English thesaurus
threads per inch
abbr., automat. tpi
abbr., scottish tpi (screw thread)
railw., abbr. t.p.i.
threads per inch
: 1 phrase in 1 subject
Technology1