如果你打算租房，应在交定金、签合同之前考虑一下水电等公共设施费用。
If you plan to rent, think about the utility costs, such as gas electricity and water, before you pay the deposit and sign the contract.
我要交20元的定金。
高频疲劳试验机属于金属材料试验机，是一种主要用于测定金属及其合金材料在室温状态下的拉伸、压缩或拉压交变负荷的疲劳性能试验的机器。
High-frequency fatigue tester, which belongs to metal material tester, is used to measure the fatigue performance of drawing, compressing of metal material and its alloy in room temperature condition.
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