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Terms for subject Drilling (25196 entries)

换下井钻头序号	run No.
换小直径钻头继续钻进的井眼	follow-up hole
换向	throw over
换向开关	communication switch
换向阀	communication valve
换向阀	cross valve
换向装置	reversing gear
换向滑轮	angle sheave
换气器	air breather
换挡	change-over speed gear
换挡	gear change
换挡	shift gear
换挡	speed change
换用两种燃料的发动机	dual fuel engine
换缸套	change the liner
换低速挡	gear down
换套筒	rebush
换整柱钻杆	change out string of pipe
换算	converse
换皮带用的撬缸	deflecting bar