单词	hard, as iron
释义	英華☞hard as iron
随便看	auxiliary position auxiliary position plotter auxiliary potential functions auxiliary potential transformer auxiliary potential transformer，aupt auxiliary power auxiliary power buses auxiliary power consumption rate of power plant auxiliary powered vessel auxiliary power house auxiliary power loss test auxiliary power output auxiliary power plant auxiliary power plant {= app} auxiliary power plant--app auxiliary power plant，app auxiliary power source auxiliary power station auxiliary power supply auxiliary power supply circuit breaker auxiliary power supply contactor auxiliary power supply module auxiliary power supply module，apsm auxiliary power supply socket auxiliary power supply，aps