self-propelled drilling rig first engineer
* 自走式钻机工程师 self-propelled drilling rig first engineer * 自走式钻机轮机师 self-propelled drilling rig marine engineer officer ..
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self-propelled drilling rig first engineer
自行式钻机第一工程师
以上为机器翻译结果，长、整句建议使用 人工翻译 。