封缝 meaning in Chinese

joint sealing
sealing

Standard test method for adhesion - in - peel of elastomeric joint sealants
弹性封缝料的抗撕裂粘附力的标准试验方法
Standard test method for low - temperature flexibility of preformed tape sealants
预制封缝带低温韧性的标准试验方法
Joint sealing compound
封缝止水合成物
Standard practice for sealing seams of resilient sheet flooring products by use of liquid seam sealers
使用液体封缝剂密封弹性铺地薄板制品接缝的标准实施规范
The packing bag , which is curled and sealed by this equipment , can greatly heighten packing firmness and effectively prevent it from the phenomena of spilling and leaking
经该设备卷边后封缝的包装袋可极大地提高包装牢度，有效地防止散包漏包现象。