drill rod造句
Automatic drill rod exploration control system based on VFP relational database
There were a lot of difficulties when the traditional fatigue lifespan assessment method is used in evaluating drill rod lifespan.
The extensive range of optional equipment includes hydraulically operated drill rod clamps, rotary casing drives and casing oscillators.
The generously designed drill rod clamping device can be opened up fully to enable the installation of drilling tools and drill casings exceeding 171/2" (444 mm) in diameter.
The utility model relates to a medical orthopaedics left-hand drill bit for drilling a left-hand thread hole. A metal drill rod is carved with a left-hand groove.
Ever since 1998, corrosion of drill rod and minor corrosion leakage have occurred in Pinghu oil Field in East China Sea.
Water well drill rod for eue in even -like, attaches according to the petroleum drilling tool size processing, also may defer to the user request processing.
By testing vibration frequency, moving speed of drill rod, atmospheric temperature, pressure and consumption, a test report is automatically worked out.
Hollow hexagonal drill rods with tapered connection for rock drilling
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崔恩造句
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a French window造句
1、ThisisaFrenchwindow.It'sfacingthebackgarden.2、Ah,thisisaFrenchwindow,anditopensontoasmallbalconythatlooksdowntothegarden.3、Thesuperlargeroomof40-60m2andthepanoramaFrenchwindowfacilitatetheease,spaciousnessandcomfort....
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四轮驱动造句
1、四轮驱动轿车2、上下行走、四轮驱动。3、四轮驱动为全密封前驱动桥4、四轮驱动传动系统完全电动数字差别。5、如需增加牵引力,可以转换到四轮驱动6、是指四轮驱动、具有高通过*的车辆。7、在前台变化特征50瓦引擎和四轮驱动。8、买一辆四轮驱动的车,或者开顶...
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穿彻造句
1、一百若论及威力,仅以口径及侵彻力来形容,按照紫*光团大小来说,应该是米至米的穿*火箭*,不过紫*的穿彻能力要远远弱于咱们同等口径的火箭*。2、“首领们”没有穿彻罗基华丽的服饰,而是穿着大平原印第安人的传统服装。3、首领们没有穿彻罗基华丽的服饰。而是穿着大...
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