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counterbore
 counterbore
avia. 扩孔; 锪孔
compr. 埋头直孔
dril. 镗孔
oil 沉孔
| drill
 drill
agric. tech. 排种装置

noun | verb | to phrases
counterbore n
gen. 平底鎗钻
auto. 【动,名】扩口; 扩孔参阅countersink; 沉头孔
avia. 扩孔; 锪孔; 沉头
busin. 钻埋头孔; 平头钻
compr. 埋头直孔
dril. 镗孔
earth.sc. 锥口孔
el. 镇孔
oil 沉孔
tech. 埋头孔; ; 平头钻 (头); 平底扩孔钻; 平底扩孔桩; 镗阶梯孔; 扩孔 (钻)
counterbore [kauntə'bɔː] v
gen. 用平底扩孔钻扩孔; 平底锪孔; 平底锪钻; 埋头〔锥口,沉〕孔
archit. 扩孔镗孔
counterbore: 19 phrases in 8 subjects
Automobiles3
Bridge construction1
Chemistry1
Drilling1
Mechanic engineering3
Metallurgy1
Oil / petroleum1
Technology8