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Terms for subject Engineering geology containing swivel | all forms | exact matches only
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double-tube swivel-type core barrel双层旋转型岩芯管
double-tube swivel-type face ejection core barrel双层喷射式岩芯管
dual air water swivel水气双重旋转接头
swivel barrel双层岩芯管
swivel-tube barrel双层岩芯管
water swivel水接头