交换器械的英文：
change of equipment

change是什么意思：
n. 变化；交换，交替；零钱
v. 改变；交换，替换；兑换；更换

change a bed;change the baby.
换床单；给婴儿换尿布

We propose 'a change [making a change / to make a change / that a change should be made].
我们建议应做一点改变。

The change of quantity can causes the change of quality.
量变可以引发质变。

Changing the rate of cylinder rotation changes the speed selected.
改变圆筒旋转速率就改变被筛选的速率。

Inflammatory changes appear secondary to biochemical changes
炎症变化似乎是继发于生物化学的变化。

equipment是什么意思：
n. 设备，装备；器材

We have electrified education equipment and audition teaching equipment.
我们有电教设备、听力教学设备。

jewel bearing manufacturing equipment
宝石轴承生产设备

Guarantee/warrantee of the manufacturer for the equipment
制造商为设备提供的担保

The equipment was scratched, dented in places.
这些设备已经有刮痕，有点地方还有磕碰的缺口。

The equipment is used in beating, discarding.
该设备用于果蔬类物料的打浆、去渣。