冲击钻头

bailer

汲筒

本法是利用钻绳连接钻具,靠钻头的上下冲击作用钻凿地层,经一段时间之后,用汲砂绳(Sand lines)接汲筒(bailer)将岩层取出使井内清净后,又下钻头,如此反覆进行至钻达目标后,才套管及进行完井工作.

electric hand drill

手电钻,手用电钻

electric hammer drill 电锤钻头,电动锤钻,电动冲击式钻机 | electric hand drill 手电钻,手用电钻 | electric hand dryer 电干手器

high-impact acetate yarn

耐冲击醋酯丝

high-helix straight shank drill 大螺旋角直柄钻头 | high-impact acetate yarn 耐冲击醋酯丝 | high-impact rayon 高强度人造丝

Percussion drill

冲击钻

齿形锁紧垫圈 Toothed Lock Washer | 冲击钻 Percussion drill | 冲击钻头 Percussion Drill Hammer

spudder

轻便冲击钻机

Spud-Nic 氯苯胺灵 | spudder 轻便冲击钻机 | spudding bit 开眼钻头

chiselly

多砂砾的

chiseling凿边 凿开 | chiselly多砂砾的 | chisel-shapedbit冲击式一字形钻头

toothing plane

锯齿刨; 齿状槽刨; 齿状刨

trying plane 大刨; 平刨; 细刨 | toothing plane 锯齿刨; 齿状槽刨; 齿状刨 | firmer chisel 扁錾,平錾 凿,铲,冲击钻头

spudding drill

轻便冲击钻机

spudding bit 开眼钻头 | spudding drill 轻便冲击钻机 | spun acetate 醋酯短纤维纱

diamond mortar

冲击钵

diamond mesh reflector ==> 菱形网状反射器 | diamond mortar ==> 冲击钵 | diamond nib ==> 金刚钻钻头

Jaycee：房祖名

房祖名(Jaycee)投资六位数字代理薄荷糖,前晚於中环某酒吧举行庆祝派对,成龙大哥现身撑爱子场,引起一阵混乱,可惜成龙大哥一到场即急步进场,之后又走后门离去,整晚显得十分低调.

basement complex：基盘岩群;基盘杂岩

"基盘","basement" | "基盘岩群;基盘杂岩","basement complex" | "基盘岩石","basement rock"