length of gastric tube

• 胃管长度

length of gastric tube的用法和样例：

例句

1. In addition to attachments mentioned above, this modularity allowed for quick repairs, barrel length changes, and even caliber changes in the field.
   除了以上介绍的，它的模块化可以快速修理，更换枪管长度，甚至更换口径。