检查间隙（Check Clearances）中，干涉类型有_______、________和_______
检查间隙（Check Clearances）中，干涉类型有_______、________和_______
The clearances will allow ATC to ________ the arrival of aircraft at major airports, which increases airport capacity.
The clearances will allow ATC to ________ the arrival of aircraft at major airports, which increases airport capacity.
Before replacing a piston you should check the rings to see that all clearances and gaps are （） the permissible tolerances.
Before replacing a piston you should check the rings to see that all clearances and gaps are （） the permissible tolerances.
Before replacing a piston you should check the rings to see that all clearances and gaps are within the permissible （）.
Before replacing a piston you should check the rings to see that all clearances and gaps are within the permissible （）.
The clearances will allow ATC to ________ the arrival of aircraft at major airports, which increases airport capacity. A: optimize B: minimize C: maximize D: simplify
The clearances will allow ATC to ________ the arrival of aircraft at major airports, which increases airport capacity. A: optimize B: minimize C: maximize D: simplify
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