We put them through water to make sure they don't leak. We put them through mud and salt to make sure they won't rust.
我们把它们放置于水中以确信它们不会渗漏，我们让它们穿过泥泞和盐水以确信它们不会生锈。
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An evaluation is also made on the new type of drilling mud in many aspects such as the capability of controlling water loss, the shearing dilutability, acid-solubility, the salt-resistance and…