Remote-controlled machines smash the sulfide deposits, which are then hoovered up through a riser pipe to a vessel on the surface.
远程控制的机器粉碎硫化物沉积物，然后通过升流管将其吸附到地表的容器上。
Engineers will now lower a containment cap to the seabed and attempt to fit it over what's left of the riser pipe.
现在，工程师们将把一个围堵盖降到海床上，试图覆盖在破裂的立管上。
The intensification of combustion process is first discussed. Then, the structure, test and application of low-pulsating riser pipe burner are described.
探讨燃烧过程的强化和低脉冲立管式燃烧器的结构、试验及应用。
A telescoping joint at the surface in floating offshore operations that permits vessel heave (vertical motion) while maintaining a riser pipe to the seafloor.
浮动海洋钻井作业时位于水面的伸缩节，它允许钻井船升降(垂直运动)而保持导管接触海底。
The causes behind breakage of the catalyst are excessive sodium and vanadium content in the feed oil, excessively high regeneration temperature and excessively high steam velocity in riser pipe.
对催化剂的分析表明，催化剂破碎主要由于原料中钠、钒含量超标、再生温度过高和提升管预提蒸汽线速过高所致。
Riser pipe: a four-foot-diameter steel pipe called a riser connects the ship to the borehole.
立管：直径四英尺的钢管(称为“立管”)将船和钻孔连接起来。
Riser pipe: a four-foot-diameter steel pipe called a riser connects the ship to the borehole.
立管：直径四英尺的钢管(称为“立管”)将船和钻孔连接起来。
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