操作机构主要有：配电箱（见图二）、风机风量调节手柄（见图二）、风扇泄风

The main operating mechanisms are: distribution box (see Figure 2), fan air volume adjustment handle (see Figure 2), fan air discharge adjustment (see Figure 2), fan air direction adjustment (see Figure 2), hoist feed volume adjustment gate Board (see Figure 2).

The main operating mechanisms are: power distribution box (see Figure 2), fan air volume adjustment handle (see Figure 2), fan vent regulation (see Figure 2), fan wind direction adjustment (see Figure 2), lifter feed adjustment gate (see Figure II).

The operating mechanism mainly includes: power distribution box (see Figure 2), air volume regulating handle of fan (see Figure 2), air discharge regulating of fan (see Figure 2), wind direction regulating of fan (see Figure 2), feeding amount regulating ram of hoist (see Figure 2).<br>