Both housings are waterproof to a depth of two metres.两个机罩的防水深度均为两米。These are the engine housings.这是发动机机壳.The diaphragm was clamped between two support housings.隔膜被夹紧在两个支承套之间....
Scientists have described the Aral sea as the site of the worst ecological disaster on earth.科学家把咸海描述成地球上最严重的生态灾难发生地。All BRABUS drivetrain elements are operated with ARAL high - performance lubricants.所有的BRABUS传动系统元素经营与咸...
有许多几何参数影响这些系数, 且设计外型变化很大.A large number of geometrical parameters influence these coefficients, and range of design configuration is wide.组装精度 、 焊接工艺 、 焊缝外型 、 探伤焊缝以及钢结构矫正.Precision assembly, welding technology, weld desi...