基本解釋望筒同根派生 sighting-tube相關(guān)詞英漢例句Install sight tube in test cock 3. 在測(cè)試旋塞3號(hào)上安裝觀察管。When using EZ-TC, close No. 1 and 2 shutoffs and install sight tube using adaptor fitting. 在采用EZ-TC時(shí),關(guān)閉1號(hào)和2號(hào)關(guān)閉閥,采用適配器連接件安裝觀察管。A surveying instrument consisting of a spirit level and a sighting tube,used to measure the angle of inclination of a line from the observer to the target. 由一個(gè)水平儀和一個(gè)觀測(cè)管組成的測(cè)量工具,用來(lái)測(cè)量從觀測(cè)者到目標(biāo)的直線的傾斜角。When using EZ-TC, close No.1 and2 shutoffs and install sight tube using adaptor fitting. 在采用EZ-TC時(shí),關(guān)閉1號(hào)和2號(hào)關(guān)閉閥,采用適配器連接件安裝觀察管。Holding in vertical position, fill sight tube with water (no water leakage can be permitted at sight tube joints). 將其垂直握住,將水注入觀察管內(nèi)(觀察管連接處不能有泄漏)。sighting-tube更多例句