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- Little indium contained mercury free paper liner could be applied to the mercury free battery with natural MnO 2. 用铟量较少的无汞含铟浆层纸可用于含天然二氧化锰的无汞电池。
- maintenance - free battery 阀控式密封铅酸蓄电池
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- The machinery requires constant maintenance. 这些机器需要经常保养维修。
- The crew remained free from scurvy. 那些船员仍然没有患坏血病之虞。
- He's a fervent believer in free speech. 他是言论自由的强烈信仰者。
- Maintenance of PC is in my element. 我对电脑的维修保养很在行。
- She picked up a new magazine with her free hand. 她用空着的一只手拿起一本新杂志。
- Jon sent away for a free almanac. 乔写信去要一份免费赠阅的年历。
- He's taking classes in car maintenance. 他正在上汽车维修课。
- Now that I am free, I can enjoy music for a while. 既然有空，我可以享受一下音乐。
- A large battery compartment for easy battery use and maintenance . 电瓶箱大，方便电瓶的使用维护与保养。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- Who is responsible for the building's maintenance? 谁负责这座大楼的保养事宜?
- He closed the deal successfully and was home free. 买卖成交了，他松了一口气。
- He is free with his advice to his pupils. 他直言无隐地向学生提出忠告。
- He is given a free ticket to the exhibition. 有人给他一张免费参观展览的票。
- He was inclined to give them a free hand. 他倾向于放手让他们干。
- Has he enrolled in the car maintenance class this year? 他今年报名参加汽车维修班的学习了吗？
- She's made free with my records during my absence. 我不在时她擅自用我的磁带。
