original: About 2,000 troops have been allocated to Zipingpu, trying to release the pressure through spillway.
simplifications: About 2,000 troops were moved to Zipingpu. It was an attempt to release the pressure through spillway. About 2,000 troops were sent to Zipingpu attempting to release pressure through a spillway. About 2,000 troops have been placed in Zipingpu. They are trying to release the pressure through spillway. About 2,000 troops went to Zipingpu, trying to release the pressure through spillway. Around 2,000 soldiers have been stationed in Zipingpu. About 2,000 troops have been sent to Zipingpu. They are trying to release the pressure through spillway. 2,000 troops have been sent to Zipingpu. They are trying to release the pressure. About 2,000 troops have been sent to Zipingpu, trying to let out the stress through the channel. About 2,000 troops have been allocated to Zipingpu. They tried to release the pressure through spillway. Approximately 2,000 troops have been assigned to Zipingpu, trying to release the pressure through the spillway.