词汇	oest piston ring
释义	oest piston ring 起重机活塞环
随便看	Macromolecular Science Macromolecular self-assembly macromolecular solid state physics macromolecular solution macromolecular solution theory macromolecular structure macromolecular substance macromolecular, substance macromolecular superconductor macromolecular superficial modifier macromolecular surface modifier macromolecular surface treatment agent macromolecular surfactant macromolecular surfactants macromolecular syntheses macromolecular system Macromolecular Systems macromolecular transport macromolecular weight organics macromolecule macro molecule macro-molecule macromolecule amphoteric polyacryamide macromolecule antibacterial Macromolecule biomarker