We have to warm the main engine before we start it.

在起动主机前,我们必须暖缸.

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We did some extra work on the main engine.

我们在主机上做了一些额外的工作.

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Will you supply main engine lube oil in bulk or in barrel?

你供的主机滑油是散装,还是桶装.

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The main engine must undergo both mooring and sea trials.

主机必须经过系泊试验和航行试验.

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I think the main engine control is the most complicated.

我想主机控制是最复杂的.

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Marine main engine's selection is affected by some technical and economical factors.

船舶主机选型需考虑各种技术与经济因素.

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Main engine remote control system will be examined and repaired.

主机的摇控系统将被检查及修理.

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Function test of remote control system of main engine.

主机遥控系统性能试验.

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Cover the main engine turbine filter net with canvas.

将主机透平过滤网处用帆布盖上.

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As a topcoat in engine rooms, including main engine and auxiliary machinery.

作为机房(包括主机及辅助机械)的面漆.

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Maintenance and service: Screw rod air compressor's maintenance main engine overhaul.

维修和服务: 螺杆空气压缩机的维修,主要发动机大修.

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I can only at slow speed because of breakdown of main engine.

由于主机故障,我船只能慢速行驶.

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Consequently, fuel oil supply to the main engine is shut out.

从而, 燃油供给主机被关闭.

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Main engine lube oil auto back washing filter overhauled and cleaned.

主机滑油自动反冲滤器解体,清洁.

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Take the crank deflection of main engine.

测量主机的拐挡差.

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