词汇	用板擦儿擦掉
释义	用板擦儿擦掉 rub out with an eraser板擦儿
随便看	connection equations connection error connection established signal connection-established signal connection establishment connection establishment delay connection establishment failure probability connection-establishment time connection expanding connection experiment connection, extensible connection externality connection fault tolerant connection fee connection file Connection Fitting out connection fittings connection flange Connection: flange Connection: flange,silk mouth,welding Connection: flange, silk mouth, welding connection flexibility connection flush joint connection for air pump oil cup connection force