而电器转换盒、煤气表、个人电脑之所以成为蚂蚁们的理想居所是因为它们的内部环境干燥，有微小的孔缝，成为了蚂蚁最适于防御的入口。
Electrical switch boxes, gas meters, or your PC make ideal homes because they are dry and have small, easily defendable entrances.
盲设备口及人孔所用的垫片、螺栓及螺母在买方图纸或数据表中指定。
Gaskets, bolts and nuts for blind nozzles and manholes shall be as specified in Purchaser's drawing or data sheet.
根据气体状态方程和平衡方程，推导出在某点真空表反映的真空度值与孔压计反映的孔压差的理论关系式。
The theoretical formula about vacuity in vacuum tube and pore-water pressure at the observation point was obtained in this paper by using equation of gas state and equilibrium equation.
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