- level up 短语和例子
垫平地面 level up [down] the ground; 建房前要先把地基垫平。 the site must be levelled before it is built upon
- 垫平整: match
- 气垫平: hover platform
- 垫平地面: level up the ground
- 垫平铸型: get in the mould
- 气垫平台: air-cushion platform; hover platform; hoverplatform
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