词汇	gang boarding
释义	gang boarding 木条跳板
随便看	main drive pinion main drive piston main driver main driver housing main driver's desk main drive shaft main drive shaft bearing sleeve main drive shafting main drive-source electromagnetic method main drive spindle main drive system main driving main driving and lift mechanism main driving axle main driving mechanism main driving pulley main driving screw main driving shaft Main driving system main driving wheel main driving wheel center main driving wheel set main driving wheel tire main drog Maindroiinae