词汇	insulation boots
释义	insulation boots 绝缘靴
随便看	standard cost variance standard cotton sample standard counter standard counting error Standard country or region code standard couple standard coupler standard coupling standard course Standard Courseware standard coverage standard cover mixtures standard cover paper standard cow day standard c/p form standard crab vibrator standard credit card standard criterion standard crop standard crop seed standard crossing equipment standard cross-section standard cross-section of tunnel standard crusher test standard crutch gait