drain plug
排泄塞
排泄口塞
排放塞
排水塞
放电插头
排出塞
放油螺塞
放油塞
marine air [= marine air mass
2D marine multicomponent seismic exploration
a vessel for comprehensive marine survey
Abandonment of Marine Insurance
absolute marine combined magnetometer
adhesive performance of marine biology
adhesive performance of marine organisms
Advisory Committee on Marine Pollution
all American marine slip {= AAMS}
Alluvial marine sedimentation
Amelioration of marine saline soil
American Merchant Marine Institute
anoxic marine porewater
antagonistic marine yeast
arctic marine pipelaying system