In some cases, loading and unloading operations were simply too difficult.
在某些情况下，装货和卸货作业，只是太困难。
Time of the accident, a tanker unloading operations under way, after the fire safety of oil tankers have left.
事故发生时，一艘油轮正在进行卸油作业，起火后油轮已经安全离开。
Thirdly, we study the problem that quay cranes perform loading and unloading operations simultaneously in the same ship-bay, namely quay crane dual cycling scheduling problem.
然后，研究装卸桥在同一贝位内同时进行装船与卸船作业的调度问题，即同贝同步装卸调度问题。
Shifting time from anchorage to unloading berth, time lost due to berthing operations and preparations by the vessel to berth, and time taken for completion of pratique at anchorage or after berthing.
从锚地到卸货泊位的移泊时间，由于靠泊操作和船只准备靠泊而损失的时间以及在锚地或靠泊后为办完入港许可而花费的时间。
Furthermore, it will prevent any additional operations that require the operating system's loader lock, like loading and unloading assemblies or DLLs and starting or stopping threads.
此外，它将阻止任何需要操作系统的加载程序锁的其他操作，例如加载和卸载程序集或DLL以及启动或停止线程。
L single girder gantry crane is a bridge type, suitable for open storage for general cargo railway transport loading and unloading and lifting operations.
型单梁门式起重机属桥架型的一种，适用于露天仓库货铁路沿线进行一般的装卸及起重搬运作业。
Simulation is an effective means when planning the operations of container yard and in the process of loading and unloading.
铁路集装箱货场龙门起重机的配置问题，就是在堆场中配置一定数量的龙门起重机，配合集卡为进场的货车提供装卸服务。
What's more, they can finish the operations like earth-moving, lifting, loading and unloading other materials by using different devices.
如果换用不同的工作装置，还可完成推土、起重、装卸其他物料的工作。
What's more, they can finish the operations like earth-moving, lifting, loading and unloading other materials by using different devices.
如果换用不同的工作装置，还可完成推土、起重、装卸其他物料的工作。
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