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to phrases
core head
dril. 取心钻头
el. 封头【核】; 堆芯盖
el.mach. 铁芯端板; 铁芯压板
tech. 岩芯钻头; 电枢端板
core head: 14 phrases in 5 subjects
Drilling2
Electronics2
Plastics1
Shipbuilding1
Technology8