1) artificial canal
人工开挖的渠道
3) cut canal slope
开挖渠道边坡
4) manual excavation
人工开挖
1.
At present,most of the mountain-crossing tunnels in China are constructed by manual excavation method,which can not satisfy the requirements of rapid tunnel excavation due to its low mechanization and automatization level.
目前国内山岭隧道多数采用人工开挖,机械化、自动化水平低,不能满足隧道快速施工的要求。
5) hand excavation
人工开挖
1.
734m within headrace tunnel at Yaoheba hydropower station , hand excavation method for inclined shaft with great length and large dip without climbing cage is discussed in respect of construction survey, excavation method , ventilation and dust prevention, temporary support for the inclined shaft and construction safety .
734m的斜井开挖为实例 ,从施工测量、开挖方法、通风防尘、临时支护斜井及安全施工等方面探讨长洞身、大倾角斜井在无爬罐条件下的人工开挖方法。
6) man digging method
人工开挖法
补充资料：人工受精与人工授精
人工受精与人工授精
artificial fertilization and artificial insemination
我国学者把“人工受精”与“人工授精”两名词区别开来：前者指人工体外受精而言，后者指把精液注入到妇女的阴道或宫颈管、宫腔内，使精、卵在体内相遇。人卵体外受精与胚胎移植后出生的婴儿俗称试管婴儿。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条