Chemical apparatus ; double - nose sunk keys for clamp couplings of vertical agitator shafts 化工设备.立式搅拌器轴夹紧联轴节用双凸头沉头键
2.
Valve should be clamped in a vise by the hexagonal metal shaft and the body halves pried apart at opposite end with a small screwdriver or similar thin edged metal tool 这时阀门应该用一个六角形金属轴夹紧在老虎钳内，用一把小螺丝刀或类似的具有薄边缘的金属工具将阀体翘成两半。
