Surfacing hard gold.

堆焊硬金。

youdao

The present paper deals with the bath for hard gold plating, the quantity controll and the wear mechanism of coatings as well.

简要论述了电子工业中接插件硬金镀层的耐磨机理，获得硬金镀层的镀液，节金代金以及镀金层的质量检测等问题。

youdao

Main usage: the product is mainly used in manufacture of the battery electrode plates, the hard gold, printing alloy, cable sets and the bearing alloys, etc.

主要用途：制造蓄电池电极板、硬金、印刷合金、电缆套管及轴承合金等。

youdao

Jack London's many stories truthfully explained just how hard it was to be a gold seeker in eighteen ninety-seven.

VOA: special.2009.02.11

Frost is not after "easy gold" but rather hard-earned wages.

弗罗斯特不追寻这些轻易得来的金钱而是实在地挣钱。

耶鲁公开课 - 现代诗歌课程节选

Some customers want to use your safe because safes are hard and expensive to get and some -and then you've got all this gold, so you might as well lend it out.

顾客需要使用你的保险箱,因为对个人而言保险箱既昂贵又难以获得,这样你就拿到他们的金子,然后你可以把金子借出去

耶鲁公开课 - 金融市场课程节选

Some die-hard gold bugs pointed time and again (ahem) to the historical low at 1 ounce for 1 unit of the DJIA back in 1980.

FORBES: Dow Not At New Highs Priced In Gold Or Cost Of Breakfast

Sadly for the hard core gold bugs, there will never be a new gold standard.

FORBES: 5 Facts To Consider Before Buying Or Selling Gold

It is very hard to earn gold, which is why William wanted to buy some.

FORBES: How 38 Studios LLC Turned A CPA Into A Warrior