英语词汇“师老无功”的读音、翻译、释义、用法及例句-啃外文网

词汇	师老无功
释义	师老无功师老[劳]无功[shī lǎo wú gōng]1.■troops fighting for a long time without success
随便看	pneumatic conveying of solids pneumatic core breaker pneumatic cotton picker pneumatic crane pneumatic cushion pneumatic cushion shock absorber pneumatic cutter pneumatic cylinder pneumatic cylinder cock valve pneumatic cyst pneumatic diaphragm control valve pneumatic diaphragm milk pump pneumatic die cushion pneumatic differenfial transmitter pneumatic discharger pneumatic dispatch pneumatic distributor pneumatic double-pen recorder pneumatic drier pneumatic drill pneumatic drill cradle pneumatic drilling pneumatic drilling machine pneumatic drop pneumatic-electric signal converter

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