pilot hole信息详情
导孔；导向钻孔；定位孔
pilot───v.驾驶；领航；试用；adj.试点的；n.飞行员；领航员；n.(Pilot)人名；(意、印)皮洛特；(法)皮洛
hole───vt.凿洞；vi.凿洞，穿孔；（高尔夫球等）进洞；n.(Hole)人名；(瑞典、挪)霍勒；(英)霍尔；n.洞，孔；洞穴，穴；突破口
pilot test───小规模试验；初步试验
flagstones pilot───石板飞行员
pilot ladder───引水梯；领航员梯，绳梯；（引航员用的）绳梯
chief pilot───正驾驶员；首席飞行员
airline pilot───航空公司飞行员
pilot phase───试验阶段
pilot juice───飞行员果汁
This avoids any gradual lateral enlargement of the pilot hole.───上述技巧可以避免导航孔逐渐向外侧扩大。
valve face is provided with a pilot hole or a micro fixing valve.───阀面上 冲有导向孔或微型固阀。
First thing you want to do is drill a pilot hole in the right location.───第一件事，你想要做的就是钻一个先导孔在正确的位置。
A pierced pilot hole shall be the first station of a progressive die to ensure proper pitch from die setup.───在连续模第一站应冲导正孔确保模具结构有固定的步距。
The proposed strategy calls for drilling a highly slanted pilot hole to first identify production interval.───提出的战略要求钻一个高度斜导向孔首先确定生产之间的间隔。
The SAFOD Pilot Hole seismic array: Wave propagation effects as a function of sensor depth and source location SAFOD Pilot Hole───地震排列：作为传感器深度和源位置作用对波传播的影响
pilot hole with non-rectangular entry to surface, conical special case at crankshafts to avoid small step (which can cause breakage)───引导孔非矩形或圆锥形特殊的案例像在曲轴上为避免出现小台阶（小台阶可能会导致损坏）
The Drilling Fluid Techniques Used in Pilot Hole and Hole Opening Operation of CCSD───中国大陆科学钻探先导孔及扩孔钻井泥浆工艺
Step 4. Drive a sheet metal screw into thin metals after making a pilot hole.