internal fittings of tank

例句：

1. 1. The new car has a lot ofinternal fittings that make it easy toinstall the air conditioning system.
   这款新车有很多内部配件，使得安装空调系统变得非常容易。
2. 2. The engineers carefully inspected theinternal fittings before starting the project.
   工程师们在开始项目之前仔细检查了内部配件。
3. 3. The manufacturer replaced the faulty internalfittings with new ones to fix theproblem.
   制造商用新的内部配件替换了故障的配件来解决问题。