释义 |
DictionarySeewater gaugesight glass
sight glass[′sīt ‚glas] (engineering) A glass tube or a glass-faced section on a process line or vessel; used for visual reading of liquid levels or of manometer pressures. sight glassA glass tube used to indicate the liquid level in a pipe, tank, or the like.sight glass Liquid refrigerant flows past the sight glass. If the charge of refrigerant is low, bubbles will be seen. A fully charged system has no bubbles. A gunsight.i. A transparent tube on the outside of a reservoir or tank that shows the level of the fluid in the container. ii. A small window in the high side of a vapor-cycle cooling system. The system is fully charged if there are no bubbles seen in the sight glass. iii. The transparent glass of a gun sight or a head-up display.AcronymsSeeshotgun |