front ring造句

• The gauges can be supplied with a cover ring, triangular front ring or mounting flange as required for the installation conditions
  根据不同的安装条件，我们为压力表配备了一个盖垫圈一个三角外圈或装配法兰。
• The gauges can be supplied with a rear mounting bracket, cover ring, triangular front ring or front mounting flange as required for the installation conditions
  根据不同的安装条件，我们可以提供一个后装配支架一个盖垫圈一个三角外圈或前装配法兰。