Machine maintenance
[化] 机器保养; 机床保养\\n[经] 机器维修
🧩 词语组成解析
🗣️ 情景例句
We have closely connected with firms in USA.
我们同美国有良好的业务关系。
Nothing must be done hastily but killing of fleas.
除非消灭跳蚤，做事不必急躁。
We can give you a discount if you order for immediate shipment.
如果你的订单是马上出货的话，我们可以打折。