火筒式加热炉由哪几部分组成?
参考答案:
①火筒式加热炉由壳体、②封头、③火管、④烟管、⑤油分配管、⑥烟箱、⑦防爆门、⑧烟囱、⑨人孔、⑩鞍式支座及⑩各种接口管等组成。
SDLC was invented by IBM to replace the older Bisynchronous protocol for wide area connections between IBM equipment. A varietion of the (71) protocol called NRM is essentially the same as SDLC. SDLC is (72) protocol like HDLC, Frame Relay or X.25.An SDLC network is made up of (73) that controls all communications, and (74) . It is capable of (75) operation, but almost all practical applications are strictly half duplex.
A.a primary station
B.one or more primary stations
C.a secondary station
D.one or more secondary stations
气化炉某个安全阀锁死后,中控,巡检操作应注意什么?