Just as what you have remembered ,the clostridium tetanal must first invade into a wound .

正像你所记得那样。破伤风梭状芽胞杆必须首先侵入伤口。

In this paper we studied the simple history,principle,process and selective method of carrier and medium of production of acetone and butanol with fermentive method of clostridium aceto-butylicum.

本文研究了丙丁发酵法生产丙酮和丁史、原理、过程,以及载体和培养基选择方法。