seam slippage

基本解釋

The gate of a crane should not have deformation, seam slippage or wielding off.
起重機(jī)構(gòu)的門(mén)架不得有變形或脫縫脫焊現(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.
構(gòu)造滑脫面主要為西山窯、八道灣組的煤系地層和第三系的石膏層構(gòu)成一個(gè)滑脫體系。