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The elevator is at the back which is separately accessible to each unit.
电梯在后方可以分别通向各个单元。
youdao
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The piston type unit should be accessible or be provided with an access panel.
活塞型的水锤消除器应该可以接近或设检查口。
youdao
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The piston type unit should be accessible or be provided with an access panel.
活塞型的水锤消除器应该可以接近或设检查口。
youdao