带岩心爪的取心钻头
... 爪式心轴 jawmandrel 带岩心爪的取心钻头 trigger bit 取心爪 core basket ...
带岩心抓的取心钻头
... 取岩心 running coring 带岩心抓的取心钻头 trigger bit 带岩心爪的取心钻头 trigger bit ...
您还需要为update操作创建一个类似的触发器,以确保位列上的值是正确的。
Though scientists do not know how exactly how placebos work, they have accumulated a fair bit of knowledge about how to trigger the effect.虽然科学家还不确定安慰剂效应的具体原理,但他们也已经积累了一些相关知识,知道如何触发这些效应。
This one is a bit tricky because makeup may trigger blemishes but it doesn't cause acne.这是一个有点棘手,因为化妆可能引发的瑕疵,但它不会引起痤疮。