在确保切断电源及拨下电源插头的情况下，方可进行仪器的日常维护、修理或者更换保险丝等工作。

Routine maintenance, repair or fuse replacement etc may be performed only after powering off or switching off.

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水压机工作缸极易过早损坏，更换及解体拆卸进行修理，工期长、成本高。

The operating cylinder in hydraulic presses is very easy to damage. It takes more time and more cost to replace or remove to repair.

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