After about 500 hours' operation, please check the main bearing. If it is necessary, please clean and add proper amount of grease or replace it with a new one.

本机器运行累计500小时左右时，请检查主轴承，必要时清洗，加入适量的润滑脂或更换。

youdao

Therefore we recommend that you only use one type of grease at a time.

因此，我们建议您一次只使用一种润滑脂。

youdao

By comparing the national standard of lubricating grease with overseas one, the necessity of consummating standard is put forward by combining practice.

通过国内外钢丝绳润滑脂标准对比，并结合实际指出完善标准的必要性。

youdao

On the one hand, it could grease the labour market as Mr Tobin outlined, reducing unemployment.

ECONOMIST: Grease or sand?

One innovative company, Grease Lightning, based in New York City, has been purchasing used cooking oil from local restaurants to convert into biodiesel fuel since 2011.

BBC: Cooking oil powers transatlantic flights

He could eat the snack with just one hand and wouldn't get grease on anything.

BBC: Breakfast, lunch and dinner: Have we always eaten them?