本发明结合内窥镜使用，在不破环零件本体的情况下，可以一次实现高精度孔内所有内沟槽的检查。
The invention is used with an endoscope and can achieve the detection of the high-precision hole for all inner grooves at once under the condition that a body of a spare part is not destroyed.
建筑首层地面由当地凯斯·内斯石材铺设，上部的观测台则由带有沟槽的落叶松木铺设而成，作为防滑地面。
Inside, slabs of local Caithness stone pave the ground floor, while grooved larch boarding provides a non-slip surface for the upper viewing deck.
本文介绍用生石灰粉或水泥与软粘土就地搅拌在地基内形成土柱以稳定沟槽，深开挖以及边坡的设计与施工方法。
In this paper the method of design and construction of lime and cement columns for the stabilization of trench, deep excavations and slopes is introduced.
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