航海英語特種貨物運(yùn)輸及有關(guān)規(guī)則單項(xiàng)選擇題每日一練(2019.01.09)

來源：考試資料網(wǎng)

1 Cargo booms must be weight tested to recertify the Safe Working Load (SWL) every（）.

2 According to regulations，access to a cargo pumproom in a tanker carrying grades C or D liquid cargo shall be（）.

3 If reefer spaces are not properly cleaned prior to loading cargo，it will most likely cause（）.

4 The choice of length of tow bridle legs is governed by the（）.

5 A spreader bar is used to（）.