要论结实耐用，皮表带比金属表带肯定不行了。
这种自行车和钢铝制成的自行车一样结实耐用，但是重量却减轻了65%。
The bicycle is as strong as steel and aluminum but weights 65 percent less.
一件式衬垫的结实耐用的氨基甲酸乙酯阀座部分也覆盖了阀门内部表面。
The robust urethane seat portion of the one-piece liner covers the interior of the valve.
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