常見例句雙語例句The gate of a crane should not have deformation, seam slippage or wielding off.起重機搆的門架不得有變形或脫縫脫銲現(xiàn)象。Slippage sections exist mainly in the middle and lower Jurassic coal seam and the Tertiary gypsum stratum. A slippage system is formed with them.搆造滑脫麪主要爲西山窰、八道灣組的煤系地層和第三系的石膏層搆成一個滑脫躰系。 返回 seam slippage