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

正像你所那样。破伤风梭状芽胞杆菌必须首先侵入伤口。

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.

本文研究了丙丁菌发酵法生产丙酮和丁醇简史、原理、过程,以及载体和培养基选择方法。