查询词典 sail drill

The mechanism of vaporization , cavitation and water-hammer of drill fluid occurring on the suction stroke of drill pump is investigated.

对钻井泵吸入过程中钻井液产生汽化、汽蚀与水击现象的机理进行了探讨。

That is an air powered grinder (portablegrinder, angle grinder, straight grinder, drill, impact wrench,riveting hammer, hammer drill).

那是一个气动砂轮机（手持砂轮机、角型砂轮、直型砂轮、钻机、冲击扳手、铆钉锤、锤钻机）。

That is an air powered grinder (portable grinder, angle grinder, straight grinder, drill, impact wrench, riveting hammer, hammer drill).

第 20 页共 39 页那是一个气动砂轮机(手持砂轮机，角型砂轮，直型砂轮，钻机，冲击扳手，铆钉锤，锤钻机)。

That is an airpowered grinder(portable grinder,angle grinder,straight grinder,drill,impact wrench,riveting hammer,hammer drill).

那是一个气动砂轮儿机(手持砂轮儿机、角型砂轮儿、直型砂轮儿、钻机、冲击扳手、铆钉锤、锤钻机)。

That is an air powered grinder (portable grinder, angle grinder, Page 49 of 76 工程建设现场英语五百句 straight grinder, drill, impact wrench, riveting hammer, hammer drill).

那是一个气动砂轮机(手持砂轮机，角型砂轮，直型砂轮，钻机，冲击扳手，铆钉锤，锤钻机)。

V' y2 _1 {9 f q2 W 344、That is an air (electric powered grinder (portable grinder, angle grinder, straight grinder, drill, impact wrench, riveting hammer, hammer drill).

P- e2 y' f 那是一个气动砂轮机（手持砂轮机、角型砂轮、直型砂轮、钻机、冲击扳手、铆钉锤、锤钻机）。

During the course of solving the grinding wheel cross-sectional profile, it also analyses the grinding wheel cross- sectional profile errors and the errors sensitive parameters,which are resulted by the existence of the drill end-sectional errors and the relative position errors between the drill bit and the grinding wheel.

并分析了在求解砂轮截形的过程中，由于存在钻头端截面误差和钻头与砂轮相对位置误差，所带来的砂轮截形误差及其误差敏感性参数。

Suspension system must be especially demand because Drill Rig with Automobile Chassis runs particularity as well as work surrounding Drill Rig with Automobile Ch...

提出了油气悬挂缸的试验方法，进行了油气悬挂缸的特性试验，对比试验结果与仿真结果，验证了油气悬挂缸数学模型正确性。

So, some countermeasures should be taken. New drilling technologies will be introduced including wash boring and micro -foam drilling. High-calcium salt polymer drill fluid with strong inhabit will be used in drilling, whose density should be adjusted according to the situation. Bore frame should be adjusted, that is to say, the pressure has few differences at one whole barefoot interval and density of the drill fluid should be big enough before drilling.

对此，提出如下治理对策：采用新的钻井工艺，引进清水强钻和微泡沫钻并技术；钻井中使用强抑制性高钙盐聚合物钻井液，并合理调整其密度大小；调整井身结构，在一个裸眼井段内不能有压力悬殊的地层存在，在揭开储层前，应适当提高钻井液密度。

Drill with charger to connect φ3-φ4mm long drill bit, through the injection valve to the stuffing box hole drilling.

用充电钻接上φ3-φ4mm的长钻头，通过注射阀向填料函钻通孔。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。