词典 / 通用词汇
drill rods support (support of the drill string)
暂无补充释义。
drill rig
truck-mounted drill rig【机】;truck-mounted rig【机】;wagon drill【机】
rotary drill bit (rotary boring head) deep drilling
diamond drill
Diamond Core Drill Machine
truck-mounted drill
combined grain-and-fertilizer drill
electric drill car
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