The cap and new shell are tightened up and then removed and the thickness of the wire measured by （）.
举一反三
- With the shell and cap assembled as for running， a check must be made that the clearance between the cap and the housing （）.
- A thin shell(薄壳) of radius r and thickness dr is shown shaded.
- It is important to use only pure lead and to choose a thickness of wire which is greater than the normal allowable clearance but （） this amount.
- A great number of houses would have to be removed to make way for the new amusement park． A: take the place of B: give space for C: build up D: work out
- The dimension of the cutting layer measured along the machined surface is called （ ） A: cutting depth B: cutting length C: cutting width D: cutting thickness