词汇	customs bond
释义	customs bond 海关保税
随便看	Tension,Surface tension suspension structure tension suture tension suture, relaxation suture tension switch tensions with India tension / synchronous control tension syndrome tension system tension tannage tension taper tension tectogene tension tension fatigue tension-tension fatigue tension-tension fatigue strength tension test tension-test tension test apparatus tension test at room temperature tension test diagram tension tester tension-tester tension test for anchor tension test for chain cable tension test for loose gear