gravity head 中文意思是什麼
gravity head
解釋
靜壓頭-
Under the function of gravity, as long as the falling head exist, liquid will flow from high head to low head
它具有分佈廣、埋藏淺、厚度大、水質好、水量豐富等特點。是淺井開採的主要目的層。 -
With stern and austere gravity he persevered in his task, after having just raised his head to notice the advance of the stranger.
他偶爾抬頭看到一個陌生人走過來，卻依舊板著臉一本正經地干他的活。 -
Dolohov putting his head down, greedily bit at the snow, lifted his head again, sat up, tried to get on his legs and sat down, trying to find a secure centre of gravity
多洛霍夫低下頭，靠在雪地上，貪婪地吃了幾口雪，又抬起頭來，抖擻一下精神，蜷曲起兩腿，尋找穩定的身體重心，坐了起來。 -
Once the woman is on the cross - court side, she must lower her center of gravity and get her racket head up in front of her
一旦女選手斜線後退到一個半場，她一定要降低自己的重心和把拍子舉過她的頭頂。 -
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
通過分析研究認為：已實施的引馮濟羊工程和石頭河西安供水工程，是十分必要的和可行的；從水資源配置的主要要素? ?數量、時間、空間和用戶性質的綜合分析研究來看，西部四大工程目前尚無整體聯網的必要；林家村渠首加閘對解決寶雞峽塬上灌區缺水僅能起到緩解作用，從根本上解決塬上灌區的缺水問題，還必須從林家村以上渭河干支流上採取進一步的工程措施；西部四大工程均為重力供水，只能單補，而不能互補。
分享友人