When dropping anchor,you are stationed at the windlass brake.The most important piece(s)of gear is(are)().
You are managing an ASM instance. You previously issued the following statements:
ALTER DISKGROUP dg1 DROP DISK disk2;
ALTER DISKGROUP dg1 DROP DISK disk3;
ALTER DISKGROUP dg1 DROP DISK disk5;
You want to cancel the disk drops that are pending for the DG1 disk group.
Which statement should you issue?()
根据系离泊作业安全要求,下列哪些是正确的()。
Ⅰ.使用拖轮协助靠离时,操作人员应站在系拖缆缆桩的后面;
Ⅱ.靠离时,二副应随时将船尾距离和缆绳收放情况及时报告驾驶台;
Ⅲ.系泊操作时,二副在船尾指挥,水手长一般在船尾协助;
Ⅳ.投掷撇缆时应先招呼后撇出,防止撇缆头伤人。
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