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Terms for subject Oil / petroleum containing levelling | all forms | exact matches only
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astrogravimetric levelling天文重力水准测量
concave levelling disk凹面调平圆盘
levelling agent均化剂
levelling pole水准尺
levelling property流平性
levelling screw调平螺钉
levelling screw水准螺旋
levelling screw校平螺丝
levelling wedge找平楔形垫铁
traverse levelling导线高程测量