钻头

adamantine drill

金刚石钻头

adamantine clinker 硬钢砖 | adamantine drill 金刚石钻头 | adamantine spar 刚玉

aiguille

钻头

aiding 帮助 | aiguille 钻头 | aileron 副翼

apex angle

顶角;全面钻进金刚石钻头唇部锥度内角

aperture 小孔;孔隙;光圈 | apex angle 顶角;全面钻进金刚石钻头唇部锥度内角 | apex law 脉尖法

auger bit

麻花钻头

auger 钻 | auger bit 麻花钻头 | Australian eucalyptus 澳洲桉树

auger bit

螺旋钻头

feeder 破碎机 | auger bit 螺旋钻头 | auger drilling 螺旋钻空

bit starting depth

钻头启用井深

round trip time 起下钻时间 | bit starting depth 钻头启用井深 | the optimum parameter 优选参数

solid center auger bit with one spur

单翼木工钻头

solid carbide twist drill 整体硬质合金麻花钻 | solid center auger bit with one spur 单翼木工钻头 | solid center auger bit with two spurs 双翼木工钻头

Blast hole tricone rock bits

矿用三牙轮钻头

带式真空过滤机技术条件 Specifications for horizontal-belt filter | 矿用三牙轮钻头 Blast hole tricone rock bits | 潜孔冲击器和钻头 Downhole drill hammers and bils

bit and stabilisers

钻头和稳定器

BHA 底部钻具组合 | bit and stabilisers 钻头和稳定器 | Bit Breaker 钻头装卸器

four point bit

十字钻头

four groove drill 十字形钎子 | four point bit 十字钻头 | four wing rotary bit 十字钻头

The Shop Around the Corner：街角商店

上错天堂投错胎Heaven Can Wait (1943) | 街角商店The Shop Around the Corner (1940) | 妮诺奇嘉Ninotchka (1939)

neigher nor gate：既非又不闸

"邻区最佳控制","neighboring optimal control" | "既非又不闸","neigher nor gate" | "内利亚克编译程式","NELIAC; naval electronics laboratory international algebraic complier"