Coming complete with their matching Turbine rings, these cranks are available in both triple, double and two ring and guard combination options.
即将与他们匹配的涡轮戒指完成后，这些曲柄同时具备三重，双和两个戒指和后卫的组合方案。
2
Take the natural gas booster station built in 9e class gas turbinecombination cycle power plant for example, its function and system constitution were introduced and analyzed.