词汇	portable rig
释义	portable rig 轻便钻机,移动式钻机
随便看	certified test report Certified Test Requirements certified test sieve Certified Time Line Therapist Trainer Certified Tool List certified trademark certified transfer certified true copy certified two-wheeled double share plough certified under the hand of certified union Certified urban planner certified used car certified utensil certified value certified value of reference material certified variety of soybean and wheat Certified Vendor Information certified vessel certified volumetr'c flask certified volumetric flask certified-volumetric flask certified water bombing certified weight certified weights