正确答案: A

timing

题目：Engine （） refers to the relative time of position of crank, at which each operation during the cycle is commenced and is completed.

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学习资料的答案和解析：

[单选题]大型低速柴油机铸铁气缸套的正常磨损率应（）mm/kh。

＜0.1

[单选题]检测轴系中心线状态发现δ总和φ总均严重超差，应采取（）的措施进行调整。

同时调整艉轴和主机的位置

[单选题]Adjust （） by means of lead wire.

the clearance of the main bearing

[单选题]No specific period is given for the renewal of the lubricating oil filter element as this should be done（） a figure of 0√7 bars is shown on the gauge.

whenever