domestic expences 家庭开销
insurance of medical expences 疾病保険
The determination of the preventive maintenance period and replacement period makes it possible to maximize the equipment efficiency with minimum maintenance expences during its usage life.
设备预防维修期与更新期的确定，能使设备在使用期中，投入最佳的维修费用，发挥它的最大效用。
youdao
应用推荐
模块上移
模块下移
不移动