coke cleaning

• 清焦

coke cleaning的用法和样例：

例句

1. The valves are mounted vertically in a horizontal line and arranged to minimize pockets where coke can accumulate during normal operation and decoking.
   阀门直立安装在一条水平管线上，并且在布置上使得在正常操作和清焦期间，会积炭的管袋降低到最小程度。