Be suitable for various type outer tube and tubeless tyres.
主要适用范围：各种型号外胎与真空胎。
This coated inner tube is closed at one end and sealed at the other end to the outer tube.
内管的涂层是介于一端与另一端的外管的密封层里面。
An antibody that is specific for breast cancer cells was attached to the outer tube surfaces.
抗体是特定的乳腺癌细胞被连接到外管表面。
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