... joint lever 连接杆 joint liner 接合衬垫 joint meter 测缝仪 ...
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flush joint liner 无接箍平口接头衬管
joint t liner 接合衬垫
joint angle liner 接合衬垫
liner joint 衬砌接缝
·2,447,543篇论文数据，部分数据来源于NoteExpress
Calculating formulae for design of cylinder, dome, joint and liner of natural gas cylinder are derived.
推导出气瓶圆筒段、封头、接头和内衬的设计计算公式。
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