明白了吗？叫副司钻或井架工下来帮忙。 收藏。
Do you understand? Call the assistant driller (A. D. ) or derrickmen down to help us.
钻机配有一个主卷扬机、一个副卷扬机。主卷扬机用于升降钻具、下井管等。
Drilling rig equipped with a main hoist, one vice hoist, main hoist for lifting drilling, downhole tubes.
钻机配有一个主卷扬机、一个副卷扬机。主卷扬机用于升降钻具、下井管等。副卷扬机用于更换钻杆或其他取芯工具及提砂筒，也可用于洗井作业。
Vice hoist for the replacement of the drill pipe or other tools and put sand core tube can also be used for flushing operations.
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