词汇	ivester
释义	ivester n.艾夫斯特
随便看	gravity direct method gravity disc gravity discharge gravity discharge ball mill gravity-discharge bucket elevator gravity-discharge chute gravity discharge damper gravity discharge elevator gravity-discharge elevator gravity-displaced deposit gravity distribution gravity distributor gravity disturbance gravity disturbance before earthquake gravity disturbances gravity disturbance vector gravity divider gravity drain gravity drainage gravity drainage curve gravity drainage method gravity drainage reservoir gravity drainage, vacuum drainage gravity drain line gravity drain plug