蜗轮箱
The serious buying happens between 6 and 8am, and it is very much the case that the early bird catches the worm.
大量的购买集中在早晨6点到8点之间,那时的情况真的就是先到先得。
Objective: In order to clearly understand some ultrastructure features of a local strain of Pagumogonimus skrjabini from Xingan County, Guangxi, where the brain infection case of this worm was recorded.
目的:探讨广西兴安县人体脑型斯氏狸殖吸虫的超微结构,试图从中了解或寻找某些特性。
analysis and improvement of casting process for the worm gear case
蜗轮箱体铸造工艺分析与应用
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