The pipeline trenching in partial sections needs stonework blasting.
西部原油成品油管道约有900km与已投入运行的西气东输管道并行,其间距大部分在30￣50m,并行段内的部分区域需进行石方管沟爆破施工。
In order to test the construction quality and waterproof performance of cycle water pipe trench made of cast-in-situ reinforced concrete in Ling ao nuclear power station second stage,hydraulic test of expansion joints is required by design to insure the water tightness of pipe trench.
为检验岭澳核电站二期现浇钢筋混凝土循环水管沟的施工质量和防水性能。
The excavation blasting for pipe trench in the geological condition of limestone is summarized.
对石灰岩地质条件下的管沟开挖爆破实践进行了总结,针对不同的岩性和爆破环境选用不同的爆破方案和参数,介绍了施工技术和安全措施。
airwater pipeline trenching sled
气水喷射式管沟挖掘滑橇
Build up a Managerial Communication System Based on Communication Satisfaction;
基于沟通满意度的管理沟通体系构建
buried-channel MOSFET
埋沟ＭＯＳ场效晶体管
n-channel transistor
ｎ沟道场效应晶体管
vertical channel fet
垂直沟道场效应晶体管
short channel fet
短沟道场效应晶体管
Clogged pipes backed up drain water.
阻塞的水管堵塞了沟水。
sewerage dredger
(敷设污水管用的)挖沟机
A tube or duct for enclosing electric wires or cable.
线管包裹电线或电缆的管子或沟道
A New Mode for Fostering Scientific Researchers in Universities: A Team for Scientific Research;
沟通管理:高校科研管理的有效途径
Still it seemed convenient to follow in the groove of rock.
尽管如此，顺着石沟往下走还是轻松些。
n channel junction fet
n 沟道结型场效应晶体管
pmos transistor
p 沟道金属氧化物半导体晶体管
The channel or conduit for such a sewer or drain.
涵洞管道涵洞的沟渠或引水道
a pipe or conduit for conveying water.
一种用来输送水份的管道或沟渠。
Clogged pipes caused drain water to back up into the house.
阻塞的水管使沟水倒流到屋里。
The workmendug a trench for the new water-pipe.
工人挖了一条沟敷设新水管.
a block in the pipe, gutter, drain, etc
阻塞管道、 排水沟、 下水道等的污物