complex slipmultiple glidemultiple slippolyslip复: repeated; double; duplicate滑移: drift; slippage; glide; slid ...滑移: drift; slippage; glide; slide; slip复滑车: block and tackle; block tackle; blockandtackle; burton; compound pulley; double purchase; purchase block; sister block; tackle复滑轮: block pulley; compound pulley下载手机词典可随时随地查词查翻译
