1) four blade
四刮刀的
2) utility knife
通用的刮刀
3) quadruple-wing drag bit
四翼刮刀钻头
1.
So Benoto Method,reverse circulation drilling with quadruple-wing drag bits,drilling with roller-type cutting head and combined drilling technology was adopted as well as wall protection with mud,which is strictly districted in Hongkong and Macao.
根据工程的具体情况,采用贝诺特工法、反循环四翼刮刀钻头钻进、滚刀钻头钻进等组合钻进工艺,同时采用在港澳地区限制严格的泥浆护壁钻进。
4) bit wing
刮刀钻头的刮刀片
5) rotating pan with offset blades
带刮刀的转盘
6) Where is my erasing knife?
我的刮刀在那儿？
补充资料：变后掠翼飞机(见后掠翼飞机)
变后掠翼飞机(见后掠翼飞机)
swing-wing aircraft
bianhoul位eyi feiii变后掠翼飞机(swing一wing aircran)见后掠翼飞机。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条