... protective cap 保护帽，护罩 protective casing 保护外壳 protective choke 抗流线圈，扼流线圈，防干扰线圈 ...
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Protective casing size 外壳防护等级
high temperature protective casing 护套管
Thermocouple Protective Casing Pipe 热电偶保护套管
flexible protective casing for pipe 挠性保护管套
Microstrip antenna with protective casing 发明名称
protective e casing 防护罩 ; 保护套
Non-rotary casing protective tool 非旋转套管保护工具
Tough and lightweight compared to other protective casing on the market.
和市场上其他保护性外壳比起来，更结实，更轻。
One end of the protective casing is provided with a flaring for the butt-joint of the heat-insulation case.
在保护套的一端设有扩口，用于保温套间的对接。
Its drilling system USES a 380-ton protective casing over the wellhead that is about the size of a six-story office building.
它的钻探系统采用了重380吨、约六层办公大楼大小的保护罩(防爆装置)来保护井口。
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