造斜
参考答案:
用专用工具使钻孔按要求偏斜的作业。
— Why not come and join us in the game?
— ______. But I must finish my homework first.
A.I hope not
B.I’m very tired
C.I think so
D.I’d love to
吸滤池、无阀滤池和移动罩滤池宜采用小阻力配水系统,其孔眼总面积与滤池面积之比为()。
A、1.0%~1.5%
B、1.5%~2.0%
C、0.2%~0.28%
D、0.6%~0.8%