The depth and microhardness distribution of alumetizing layer obtained on different technical conditions were measured.测定了不同工艺条件下获得的浸渗层深度和浸渗层显微硬度的分布....
We are happy to donate to bona fide charitable causes.我们很乐意为真正的慈善事业捐献财物。a bona fide reason真正原因There are few bona fide readers but many dippers.真诚精读的人很少,但粗读者却很多....