“最棘手的问题将是，”布尔萨说，“如果有一辆40吨的卡车在公路上的快速车道行驶，或许装有防滑胎链。”

"The toughest is going to be that fast lane on the highway," Brusaw says, "where you've got a 40-ton truck, maybe with snow chains."

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将钢骨柱固定在专用胎架上，通过倒链滑移至安装点下方后，采用滑轮组和卷扬机进行提升就位。

Steel column is fixed to special jig, slipping below the installation position by chain block and lifting by pulley block and windlass.

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应用链霉菌抗生物素蛋白—过氧化物酶免疫组织化学方法检测15例部分性葡萄胎、55例完全性葡萄胎滋养细胞中MMP-9、TIMP-1表达。

Immunohistochemical streptavidin-peroxidase (S-P) method was used to detect the expression of MMP-9, TIMP-1, in 15 cases with partial hydatidiform moles and 55 cases with complete hydatidiform mole.

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