If a line at right angles to the axis rotates about that axis and, at the same time, moves

If there are micro－seized areas on the liner or skirt scratch－over manually with a coarse carbo－rundum stone （grindstone), moving the grindstone ____ at an angle of 20 to 30 degrees to horizontal.

You no longer need to spend much time lining up at a bank to do your transactions.

If you turn to the right at the corner, you Ml find a path ______ to the historical buildi

Each person at the reunion was required to talk to other relatives to find out if t

______ your answers ______ those at the back of the book to see if they are right.A．Compar

What’s the problem if the first person adjusts the angle？A.The work can’t be finished a