N a wooden support on a mast for the trestletrees 桅肩支撑板 [nautical]
Use only with approved hose bibbs or hose fittings having four or more full American National hose threads.
只能采用具有四圈以上的美国国家软管螺纹的、通过认证的软管水龙头或软管连接件。
Use only with approved hose bibbs or hose fittings having four or more full American National hose (NH) threads.
只能采用具有四圈以上的美国国家软管(NH)螺纹的、通过认证的软管水龙头或软管连接件。
应用推荐