Wednesday, November 8, 2023
Thursday, September 15, 2022
当线段平行于投影面时,其投影的长度()线段的真实长度。A、大于B、小于C、等于...
Monday, July 24, 2023
Sunday, April 7, 2024
Monday, July 24, 2023
Saturday, January 21, 2023
处理烧钻事故,透小眼后下步做法正确的是()。A、下套管公锥捞岩心管B、下炮弹形钻头扫事故钻头C、用带导向的磨孔钻头消灭事故钻具D、用旧金刚石钻头劈开事故钻具...
Monday, April 29, 2024
Tuesday, January 2, 2024
1弧度约等于()A、57.3°B、5.73°C、0.573°...
Monday, April 15, 2024
一英寸等于()mmA、2.54B、25.4C、24.5D、2.45...
Sunday, April 14, 2024
Sunday, April 7, 2024
Saturday, January 28, 2023
Monday, April 29, 2024
Monday, December 11, 2023
Tuesday, January 2, 2024
柴油机压缩冲程中,活塞到达上死点时喷油器喷油,与高温气体迅速混合形成高温可燃气体...
Sunday, February 19, 2023
Saturday, February 3, 2024
皂化油的连续相为()。A、基础油B、水C、乳化剂D、三者都是...
Sunday, April 14, 2024
在钻孔设计或实测顶角θ≤3°时,每百米测一次顶角,不测方位。...
Tuesday, January 2, 2024