权威例句
UNSOLDERING IRONUnsoldering p.c.b.s. without damageSoldering/unsoldering arrangementA new type mould for unsoldering IC chipsStudy of Unsoldering and Detinning Processes for Aviation PlugAnalysis of load variation at unsoldering after heat sealingAnalysis of the load variation at unsoldering after heat sealingDEVICE FOR SOLDERING OR UNSOLDERING COMPONENTS ARRANGED ON A CIRCUIT SUPPORTDevelopment and Application of Unsoldering Equipment for Printed Circuit BoardsDevelopment and application of unsoldering equipment for printed circuit board scraps