If the ink sinks in it'll be hard to remove it.
如果墨水渗入,要除去就很困难。
In that case, it will be hard to remove the plug without removing the hole threads.
在这种情况下,将难以消除堵塞而不删除洞线程。
The lacquer film on the rubber belts was hard to remove, so the belts were repeatedly damaged.
漆膜上的橡胶带难以消除,因此多次被损坏皮带。
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