单词	deepen a trench
释义	deepen a trench 使壕沟加深
随便看	two steps hot press sintering two-step simulation method two steps in low temperature two step sintering two-step sintering two step sintering method two-step sintering method two-step sintering process two steps Master test two-step smelting reduction Two steps method two steps of insurance two-step solution two steps operation two-steps oxygen pressure acid leaching Two steps two-steps two-steps acetone precipition two-steps aging two step sales forecasting method two-step sampling two steps and ladders hole two steps annealing two-steps anodization two-steps aqueous polymerization