短語詞組

短語

• rotary y drilling rig 鏇轉(zhuǎn)鑽機(jī)
• hydraulic rotary drilling rig 液壓鏇挖鑽機(jī)
• large rotary drilling rig 大型鏇挖鑽機(jī)
• Rotary drilling rig construction 鏇挖鑽機(jī)
• Components of Rotary Drilling Rig 鑽井系統(tǒng)部件
• Rotary Drilling Rig auger bit 鏇挖鑽機(jī)用鏇挖齒
• drilling rig rotary table 石油鑽機(jī)轉(zhuǎn)磐
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