add gate meaning in Chinese

加法门
相加门

Through analysis and study , it is believed important and feasible that the implemented projects , the importing feng jia - shan reservoir into yang mao - wan reservoir and the water supply from shi tou river to xi ' an city ; form the synthetic analysis of the main factors - quantity , time , apace and user " character , it can be conferred that it is not necessary for the four projects in the western areas to join together at present ; adding gate at the 2 head of lin jiacun trench can only help to relax the problem of lack of water in bao jixia irrigation area , to solve the problem of short of water in the irrigation area needs to take project measures at the trunk and branches of wei he river from lin jia village to the upper stream ; the mode of supplying water of the four projects in the western areas are all by gravity , they can only be supplied one way and ca n ' t be supplied each other
通过分析研究认为：已实施的引冯济羊工程和石头河西安供水工程，是十分必要的和可行的；从水资源配置的主要要素? ?数量、时间、空间和用户性质的综合分析研究来看，西部四大工程目前尚无整体联网的必要；林家村渠首加闸对解决宝鸡峡塬上灌区缺水仅能起到缓解作用，从根本上解决塬上灌区的缺水问题，还必须从林家村以上渭河干支流上采取进一步的工程措施；西部四大工程均为重力供水，只能单补，而不能互补。