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countersunk head
auto. 铆钉/螺钉沉头
met. 埋头
tech. 埋头钉头; 埋头钉; 沉头暗钉头
countersunk head
: 47 phrases in 7 subjects
Automobiles10
Aviation2
Bridge construction1
Compressors2
Electric machinery2
Shipbuilding3
Technology27