head-to-head balance

• 头对头平衡

head-to-head balance的用法和样例：

例句

1. Screw the two pipes together end to end.
   用螺栓把两根管子头对头地拧住。
2. It went head to head with the best midsize luxury sedans from Germany and came out on top.
   它接着头对头的最佳中型豪华轿车来自德国和出来的佼佼者。