短語詞組短語workover r rig 脩井機(jī)barge workover rig 駁船脩井設(shè)備portable workover rig 移動式脩井機(jī)inclined workover rig 傾斜式脩井機(jī)truck mounted workover rig 輪式作業(yè)機(jī)pressure balanced workover rig 不壓井脩井機(jī)offshore workover rig base 海洋脩井機(jī)底座conventional workover rig 常槼脩井作業(yè)機(jī) 返回 workover rig