恒温双金属制螺旋线圈的坏扭转率的试验方法的英文

standard test method for mechanical

• 恒温:    constant temperatu ...
• 双金属:    thermometal; plyme ...
• 制:    make; manufacture
• 螺旋线:    helix; cylindrical ...
• 圈:    circle; ring
• 的:    4次方是 The fourth po ...
• 坏:    bad
• 扭转:    turn round; turn a ...
• 率:    rate; ratio; propo ...
• 试验:    experiment; test; ...
• 方法:    method; means; way ...