钻头

bit trips

为换钻头起下钻

74 钻头轨迹特性 bit trajectory behavior | 75 为换钻头起下钻 bit trips | 76 钻头选型 bit-type selection

bore bit

镗孔钻头,镗孔钻头

bore axis ==> 炮膛轴 | bore bit ==> 镗孔钻头,镗孔钻头 | bore brush ==> 炮刷,枪刷

bull bit

凿钻头,一字形钻头

bull and ram circle ==> 种牛羊巡回配制 | bull bit ==> 凿钻头,一字形钻头 | bull block ==> 主索滑车,起模板

bit diamond point

尖角钻头

"bit disc","滚盘钻头" | "bit diamond point","尖角钻头" | "bit differential","差动钻头"

drill bit gauge

钻头角度规

drill bit for mining and geological prospecting 矿山及地质勘探钻头 | drill bit gauge 钻头角度规 | drill bit 钻头

drill extractor

钻头提取器

drill equipment ==> 钻头附件 | drill extractor ==> 钻头提取器 | drill feed ==> 钻头进给装置,凿岩机推进器

drill point gauge

钻头测针;钻头角度规

钻径规 drill gauge | 钻头测针;钻头角度规 drill point gauge | 湿度计;含水量测定计 drimeter

drill grinding gauge

钻头磨削量规

drill gauge 钻头直径规 | drill grinding gauge 钻头磨削量规 | drill grinding machine for mine 矿用钻头磨床

drill sharpener

钻头磨尖器

drill shank 钻头卡 | drill sharpener 钻头磨尖器 | drill sharpening machine 钻头刃磨床

expansion bit

活络螺旋钻头,变径钻头

expansion bent ==> 伸缩弯管 | expansion bit ==> 活络螺旋钻头,变径钻头 | expansion bit drill ==> 活络螺旋钻

photoperiodic response：光周期响应

photoperiodic induction 光周期诱导 | photoperiodic response 光周期响应 | photoperiodism 光期性

Multi-Variate Statistical Analysis：多元统计剖析

311. 多项距阵 Multi-Nominal Matrix | 312. 多元统计剖析 Multi-Variate Statistical Analysis | 313. 发电厂 Power Plant