常見例句雙語例句It is used as coating roller in a gravure press and glue applicator in a binding line.還可用來在凹版印刷機上作涂布思及在裝訂生產(chǎn)線上作施膠器。The glue applicator was improved. The structure and principle were introduced, and the performance before and after improvement was compared.介紹了改進后供膠裝置的結(jié)構(gòu)及工作原理，并對改進前后的使用效果進行了對比。http://chazidian.com 返回 glue applicator