The lamp house may be made of glass, and the lighting circuit acceptance unit and the lamp house are tubular nearby the jointface.
该灯罩能够由玻璃形成，并且在该接合面的附近，该点灯电路容纳单元和该灯罩是筒形的。
2
The technique proved effective when it was used in rapid crack testing and crack depth measuring of steam turbine metal parts such as jointface of hig.
The invention has reserved many bold fastening hole in the jointface, causes this coupling shell at least to be allowed with two kind of engines connections;