A difficulty arises when the point and instrument are not at the same level. 當測點(diǎn)和儀器不在同一水平面上時(shí)，工作就會(huì )遇到困難。
The gas thermometers with capillaries facilitate separation of the display unit from the measuring point. 帶有毛細管的氣體溫度計把顯示單元和測量點(diǎn)分開(kāi)了。
Owing to the high cost of wiring, most process plants have hundreds or even thousands of discrete measurement points that are not connected to the control system. 由于配線(xiàn)的成本很高，許多過(guò)程工廠(chǎng)擁有數百或數千離散測量點(diǎn)，與控制系統相連接。
