In an ordinary four-stroke engine the exhaust valves open ()
A、after TDC
B、before TDC
C、after BDC
D、before BDC
A、after TDC
B、before TDC
C、after BDC
D、before BDC
A、in the INTO clause of an INSERT statement B、in the FROM clause of a SELECT statement C、in the GROUP BY clause of a SELECT statement D、in the WHERE clause of a SELECT statement E、in the SET clause of an UPDATE statement F、in the VALUES clause of an INSERT statement
A、in the INTO clause of an INSERT statement B、in the FROM clause of a SELECT statement C、in the GROUP BY clause of a SELECT statement D、in the WHERE clause of a SELECT statement E、in the SET clause of an UPDATE statement F、in the VALUES clause of an INSERT statement
A、Compilation fails due to an error in line 23. B、Compilation fails due to an error in line 29. C、A ClassCastException occurs in line 29. D、A ClassCastException occurs in line 31. E、The value of all four objects prints in natural order.
A、three wire rope clamps B、an eye splice with four or five tucks C、a thimble fastened with four or five tucks D、a wire rope socket attached with zinc